Home / 22,671,104.16-31,284,943.24-12,880,189.47

Finding the Fourth Proportional to 22,671,104.16, 31,284,943.24 and 12,880,189.47

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Solution

The fourth proportional to 22,671,104.16, 31,284,943.24 and 12,880,189.47 is: 17,773,990.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,671,104.16 : 31,284,943.24 = 12,880,189.47 : x
  2. Step 2: Convert to fraction form
    22,671,104.16/31,284,943.24 = 12,880,189.47/x
  3. Step 3: Cross multiply
    22,671,104.16x = 31,284,943.24 × 12,880,189.47
  4. Step 4: Simplify right side
    22,671,104.16x = 402,955,996,489,395.69
  5. Step 5: Solve for x
    x = 402,955,996,489,395.69/22,671,104.16
  6. Step 6: Final answer
    x = 17,773,990.79

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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.