Home / 10,516,280.40-15,763,534.20-5,713,822.80

Finding the Fourth Proportional to 10,516,280.40, 15,763,534.20 and 5,713,822.80

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Solution

The fourth proportional to 10,516,280.40, 15,763,534.20 and 5,713,822.80 is: 8,564,819.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,516,280.40 : 15,763,534.20 = 5,713,822.80 : x
  2. Step 2: Convert to fraction form
    10,516,280.40/15,763,534.20 = 5,713,822.80/x
  3. Step 3: Cross multiply
    10,516,280.40x = 15,763,534.20 × 5,713,822.80
  4. Step 4: Simplify right side
    10,516,280.40x = 90,070,041,120,539.75
  5. Step 5: Solve for x
    x = 90,070,041,120,539.75/10,516,280.40
  6. Step 6: Final answer
    x = 8,564,819.28

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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.