Home / 15,533,073.73-21,426,753.31-9,721,766.40

Finding the Fourth Proportional to 15,533,073.73, 21,426,753.31 and 9,721,766.40

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Solution

The fourth proportional to 15,533,073.73, 21,426,753.31 and 9,721,766.40 is: 13,410,474.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,533,073.73 : 21,426,753.31 = 9,721,766.40 : x
  2. Step 2: Convert to fraction form
    15,533,073.73/21,426,753.31 = 9,721,766.40/x
  3. Step 3: Cross multiply
    15,533,073.73x = 21,426,753.31 × 9,721,766.40
  4. Step 4: Simplify right side
    15,533,073.73x = 208,305,890,390,246.78
  5. Step 5: Solve for x
    x = 208,305,890,390,246.78/15,533,073.73
  6. Step 6: Final answer
    x = 13,410,474.58

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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.