Home / 28,331,344.30-42,497,016.45-9,164,038.90

Finding the Fourth Proportional to 28,331,344.30, 42,497,016.45 and 9,164,038.90

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Solution

The fourth proportional to 28,331,344.30, 42,497,016.45 and 9,164,038.90 is: 13,746,058.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,331,344.30 : 42,497,016.45 = 9,164,038.90 : x
  2. Step 2: Convert to fraction form
    28,331,344.30/42,497,016.45 = 9,164,038.90/x
  3. Step 3: Cross multiply
    28,331,344.30x = 42,497,016.45 × 9,164,038.90
  4. Step 4: Simplify right side
    28,331,344.30x = 389,444,311,881,739.94
  5. Step 5: Solve for x
    x = 389,444,311,881,739.94/28,331,344.30
  6. Step 6: Final answer
    x = 13,746,058.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.