Home / 21,692,253.60-29,974,920.48-15,801,635.52

Finding the Fourth Proportional to 21,692,253.60, 29,974,920.48 and 15,801,635.52

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Solution

The fourth proportional to 21,692,253.60, 29,974,920.48 and 15,801,635.52 is: 21,835,111.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,692,253.60 : 29,974,920.48 = 15,801,635.52 : x
  2. Step 2: Convert to fraction form
    21,692,253.60/29,974,920.48 = 15,801,635.52/x
  3. Step 3: Cross multiply
    21,692,253.60x = 29,974,920.48 × 15,801,635.52
  4. Step 4: Simplify right side
    21,692,253.60x = 473,652,768,165,943.44
  5. Step 5: Solve for x
    x = 473,652,768,165,943.44/21,692,253.60
  6. Step 6: Final answer
    x = 21,835,111.14

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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.