Home / 15,631,196.32-21,522,899.58-13,885,839.10

Finding the Fourth Proportional to 15,631,196.32, 21,522,899.58 and 13,885,839.10

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Solution

The fourth proportional to 15,631,196.32, 21,522,899.58 and 13,885,839.10 is: 19,119,683.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,631,196.32 : 21,522,899.58 = 13,885,839.10 : x
  2. Step 2: Convert to fraction form
    15,631,196.32/21,522,899.58 = 13,885,839.10/x
  3. Step 3: Cross multiply
    15,631,196.32x = 21,522,899.58 × 13,885,839.10
  4. Step 4: Simplify right side
    15,631,196.32x = 298,863,520,533,337.56
  5. Step 5: Solve for x
    x = 298,863,520,533,337.56/15,631,196.32
  6. Step 6: Final answer
    x = 19,119,683.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.