Home / 15,689,928.19-21,653,856.62-9,498,389.04

Finding the Fourth Proportional to 15,689,928.19, 21,653,856.62 and 9,498,389.04

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Solution

The fourth proportional to 15,689,928.19, 21,653,856.62 and 9,498,389.04 is: 13,108,839.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,689,928.19 : 21,653,856.62 = 9,498,389.04 : x
  2. Step 2: Convert to fraction form
    15,689,928.19/21,653,856.62 = 9,498,389.04/x
  3. Step 3: Cross multiply
    15,689,928.19x = 21,653,856.62 × 9,498,389.04
  4. Step 4: Simplify right side
    15,689,928.19x = 205,676,754,393,139.44
  5. Step 5: Solve for x
    x = 205,676,754,393,139.44/15,689,928.19
  6. Step 6: Final answer
    x = 13,108,839.75

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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.