Home / 28,247,613.80-42,371,420.70-9,336,381.80

Finding the Fourth Proportional to 28,247,613.80, 42,371,420.70 and 9,336,381.80

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Solution

The fourth proportional to 28,247,613.80, 42,371,420.70 and 9,336,381.80 is: 14,004,572.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,247,613.80 : 42,371,420.70 = 9,336,381.80 : x
  2. Step 2: Convert to fraction form
    28,247,613.80/42,371,420.70 = 9,336,381.80/x
  3. Step 3: Cross multiply
    28,247,613.80x = 42,371,420.70 × 9,336,381.80
  4. Step 4: Simplify right side
    28,247,613.80x = 395,595,761,063,623.31
  5. Step 5: Solve for x
    x = 395,595,761,063,623.31/28,247,613.80
  6. Step 6: Final answer
    x = 14,004,572.70

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1.5x scale

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.