Home / 23,328,016.70-34,992,025.05-18,457,130.30

Finding the Fourth Proportional to 23,328,016.70, 34,992,025.05 and 18,457,130.30

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Solution

The fourth proportional to 23,328,016.70, 34,992,025.05 and 18,457,130.30 is: 27,685,695.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,328,016.70 : 34,992,025.05 = 18,457,130.30 : x
  2. Step 2: Convert to fraction form
    23,328,016.70/34,992,025.05 = 18,457,130.30/x
  3. Step 3: Cross multiply
    23,328,016.70x = 34,992,025.05 × 18,457,130.30
  4. Step 4: Simplify right side
    23,328,016.70x = 645,852,365,808,714
  5. Step 5: Solve for x
    x = 645,852,365,808,714/23,328,016.70
  6. Step 6: Final answer
    x = 27,685,695.45

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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.