Home / 18,143,482.40-27,215,223.60-5,364,112.40

Finding the Fourth Proportional to 18,143,482.40, 27,215,223.60 and 5,364,112.40

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Solution

The fourth proportional to 18,143,482.40, 27,215,223.60 and 5,364,112.40 is: 8,046,168.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,143,482.40 : 27,215,223.60 = 5,364,112.40 : x
  2. Step 2: Convert to fraction form
    18,143,482.40/27,215,223.60 = 5,364,112.40/x
  3. Step 3: Cross multiply
    18,143,482.40x = 27,215,223.60 × 5,364,112.40
  4. Step 4: Simplify right side
    18,143,482.40x = 145,985,518,381,532.66
  5. Step 5: Solve for x
    x = 145,985,518,381,532.66/18,143,482.40
  6. Step 6: Final answer
    x = 8,046,168.60

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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.