Home / 15,784,054.80-23,676,082.20-7,280,998.80

Finding the Fourth Proportional to 15,784,054.80, 23,676,082.20 and 7,280,998.80

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Solution

The fourth proportional to 15,784,054.80, 23,676,082.20 and 7,280,998.80 is: 10,921,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,784,054.80 : 23,676,082.20 = 7,280,998.80 : x
  2. Step 2: Convert to fraction form
    15,784,054.80/23,676,082.20 = 7,280,998.80/x
  3. Step 3: Cross multiply
    15,784,054.80x = 23,676,082.20 × 7,280,998.80
  4. Step 4: Simplify right side
    15,784,054.80x = 172,385,526,086,901.34
  5. Step 5: Solve for x
    x = 172,385,526,086,901.34/15,784,054.80
  6. Step 6: Final answer
    x = 10,921,498.20

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Similar ratio
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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.