Home / 47,990,513.80-71,985,770.70-12,088,721.80

Finding the Fourth Proportional to 47,990,513.80, 71,985,770.70 and 12,088,721.80

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Solution

The fourth proportional to 47,990,513.80, 71,985,770.70 and 12,088,721.80 is: 18,133,082.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,990,513.80 : 71,985,770.70 = 12,088,721.80 : x
  2. Step 2: Convert to fraction form
    47,990,513.80/71,985,770.70 = 12,088,721.80/x
  3. Step 3: Cross multiply
    47,990,513.80x = 71,985,770.70 × 12,088,721.80
  4. Step 4: Simplify right side
    47,990,513.80x = 870,215,955,550,891.38
  5. Step 5: Solve for x
    x = 870,215,955,550,891.38/47,990,513.80
  6. Step 6: Final answer
    x = 18,133,082.70

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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.