Home / 15,488,083.66-21,371,082.16-8,612,615.74

Finding the Fourth Proportional to 15,488,083.66, 21,371,082.16 and 8,612,615.74

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Solution

The fourth proportional to 15,488,083.66, 21,371,082.16 and 8,612,615.74 is: 11,884,034.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,488,083.66 : 21,371,082.16 = 8,612,615.74 : x
  2. Step 2: Convert to fraction form
    15,488,083.66/21,371,082.16 = 8,612,615.74/x
  3. Step 3: Cross multiply
    15,488,083.66x = 21,371,082.16 × 8,612,615.74
  4. Step 4: Simplify right side
    15,488,083.66x = 184,060,918,442,130.72
  5. Step 5: Solve for x
    x = 184,060,918,442,130.72/15,488,083.66
  6. Step 6: Final answer
    x = 11,884,034.37

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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.