Home / 15,673,505.40-23,510,258.10-11,847,130.20

Finding the Fourth Proportional to 15,673,505.40, 23,510,258.10 and 11,847,130.20

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Solution

The fourth proportional to 15,673,505.40, 23,510,258.10 and 11,847,130.20 is: 17,770,695.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,673,505.40 : 23,510,258.10 = 11,847,130.20 : x
  2. Step 2: Convert to fraction form
    15,673,505.40/23,510,258.10 = 11,847,130.20/x
  3. Step 3: Cross multiply
    15,673,505.40x = 23,510,258.10 × 11,847,130.20
  4. Step 4: Simplify right side
    15,673,505.40x = 278,529,088,746,304.62
  5. Step 5: Solve for x
    x = 278,529,088,746,304.62/15,673,505.40
  6. Step 6: Final answer
    x = 17,770,695.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.