Home / 28,294,363.80-42,441,545.70-9,127,058.40

Finding the Fourth Proportional to 28,294,363.80, 42,441,545.70 and 9,127,058.40

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Solution

The fourth proportional to 28,294,363.80, 42,441,545.70 and 9,127,058.40 is: 13,690,587.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,294,363.80 : 42,441,545.70 = 9,127,058.40 : x
  2. Step 2: Convert to fraction form
    28,294,363.80/42,441,545.70 = 9,127,058.40/x
  3. Step 3: Cross multiply
    28,294,363.80x = 42,441,545.70 × 9,127,058.40
  4. Step 4: Simplify right side
    28,294,363.80x = 387,366,466,190,168.94
  5. Step 5: Solve for x
    x = 387,366,466,190,168.94/28,294,363.80
  6. Step 6: Final answer
    x = 13,690,587.60

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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.