Home / 10,456,812.10-15,685,218.15-4,398,384.70

Finding the Fourth Proportional to 10,456,812.10, 15,685,218.15 and 4,398,384.70

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Solution

The fourth proportional to 10,456,812.10, 15,685,218.15 and 4,398,384.70 is: 6,597,577.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,456,812.10 : 15,685,218.15 = 4,398,384.70 : x
  2. Step 2: Convert to fraction form
    10,456,812.10/15,685,218.15 = 4,398,384.70/x
  3. Step 3: Cross multiply
    10,456,812.10x = 15,685,218.15 × 4,398,384.70
  4. Step 4: Simplify right side
    10,456,812.10x = 68,989,623,527,122.31
  5. Step 5: Solve for x
    x = 68,989,623,527,122.31/10,456,812.10
  6. Step 6: Final answer
    x = 6,597,577.05

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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.