Home / 13,339,024.64-18,406,999-7,459,143.04

Finding the Fourth Proportional to 13,339,024.64, 18,406,999 and 7,459,143.04

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Solution

The fourth proportional to 13,339,024.64, 18,406,999 and 7,459,143.04 is: 10,293,139.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,339,024.64 : 18,406,999 = 7,459,143.04 : x
  2. Step 2: Convert to fraction form
    13,339,024.64/18,406,999 = 7,459,143.04/x
  3. Step 3: Cross multiply
    13,339,024.64x = 18,406,999 × 7,459,143.04
  4. Step 4: Simplify right side
    13,339,024.64x = 137,300,438,478,136.95
  5. Step 5: Solve for x
    x = 137,300,438,478,136.95/13,339,024.64
  6. Step 6: Final answer
    x = 10,293,139.28

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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.