Home / 15,488,294.67-21,373,889.21-8,519,686.16

Finding the Fourth Proportional to 15,488,294.67, 21,373,889.21 and 8,519,686.16

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Solution

The fourth proportional to 15,488,294.67, 21,373,889.21 and 8,519,686.16 is: 11,757,190.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,488,294.67 : 21,373,889.21 = 8,519,686.16 : x
  2. Step 2: Convert to fraction form
    15,488,294.67/21,373,889.21 = 8,519,686.16/x
  3. Step 3: Cross multiply
    15,488,294.67x = 21,373,889.21 × 8,519,686.16
  4. Step 4: Simplify right side
    15,488,294.67x = 182,098,827,938,342.44
  5. Step 5: Solve for x
    x = 182,098,827,938,342.44/15,488,294.67
  6. Step 6: Final answer
    x = 11,757,190.31

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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.