Home / 15,529,211.10-23,293,816.65-13,639,643.10

Finding the Fourth Proportional to 15,529,211.10, 23,293,816.65 and 13,639,643.10

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Solution

The fourth proportional to 15,529,211.10, 23,293,816.65 and 13,639,643.10 is: 20,459,464.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,529,211.10 : 23,293,816.65 = 13,639,643.10 : x
  2. Step 2: Convert to fraction form
    15,529,211.10/23,293,816.65 = 13,639,643.10/x
  3. Step 3: Cross multiply
    15,529,211.10x = 23,293,816.65 × 13,639,643.10
  4. Step 4: Simplify right side
    15,529,211.10x = 317,719,345,542,837.56
  5. Step 5: Solve for x
    x = 317,719,345,542,837.56/15,529,211.10
  6. Step 6: Final answer
    x = 20,459,464.65

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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.