Home / 10,340,178.10-15,510,267.15-6,513,802.90

Finding the Fourth Proportional to 10,340,178.10, 15,510,267.15 and 6,513,802.90

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Solution

The fourth proportional to 10,340,178.10, 15,510,267.15 and 6,513,802.90 is: 9,770,704.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,340,178.10 : 15,510,267.15 = 6,513,802.90 : x
  2. Step 2: Convert to fraction form
    10,340,178.10/15,510,267.15 = 6,513,802.90/x
  3. Step 3: Cross multiply
    10,340,178.10x = 15,510,267.15 × 6,513,802.90
  4. Step 4: Simplify right side
    10,340,178.10x = 101,030,823,141,444.75
  5. Step 5: Solve for x
    x = 101,030,823,141,444.75/10,340,178.10
  6. Step 6: Final answer
    x = 9,770,704.35

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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.