Home / 7,156,549.85-9,875,813.78-3,893,280.98

Finding the Fourth Proportional to 7,156,549.85, 9,875,813.78 and 3,893,280.98

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Solution

The fourth proportional to 7,156,549.85, 9,875,813.78 and 3,893,280.98 is: 5,372,605.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,156,549.85 : 9,875,813.78 = 3,893,280.98 : x
  2. Step 2: Convert to fraction form
    7,156,549.85/9,875,813.78 = 3,893,280.98/x
  3. Step 3: Cross multiply
    7,156,549.85x = 9,875,813.78 × 3,893,280.98
  4. Step 4: Simplify right side
    7,156,549.85x = 38,449,317,932,229.50
  5. Step 5: Solve for x
    x = 38,449,317,932,229.50/7,156,549.85
  6. Step 6: Final answer
    x = 5,372,605.34

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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.