Home / 21,367,366.38-29,486,991.54-11,577,802.86

Finding the Fourth Proportional to 21,367,366.38, 29,486,991.54 and 11,577,802.86

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Solution

The fourth proportional to 21,367,366.38, 29,486,991.54 and 11,577,802.86 is: 15,977,382.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,367,366.38 : 29,486,991.54 = 11,577,802.86 : x
  2. Step 2: Convert to fraction form
    21,367,366.38/29,486,991.54 = 11,577,802.86/x
  3. Step 3: Cross multiply
    21,367,366.38x = 29,486,991.54 × 11,577,802.86
  4. Step 4: Simplify right side
    21,367,366.38x = 341,394,574,984,607.75
  5. Step 5: Solve for x
    x = 341,394,574,984,607.75/21,367,366.38
  6. Step 6: Final answer
    x = 15,977,382.00

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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.