Home / 8,864,121.32-12,233,459.40-5,143,771.88

Finding the Fourth Proportional to 8,864,121.32, 12,233,459.40 and 5,143,771.88

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Solution

The fourth proportional to 8,864,121.32, 12,233,459.40 and 5,143,771.88 is: 7,098,969.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,864,121.32 : 12,233,459.40 = 5,143,771.88 : x
  2. Step 2: Convert to fraction form
    8,864,121.32/12,233,459.40 = 5,143,771.88/x
  3. Step 3: Cross multiply
    8,864,121.32x = 12,233,459.40 × 5,143,771.88
  4. Step 4: Simplify right side
    8,864,121.32x = 62,926,124,456,841.67
  5. Step 5: Solve for x
    x = 62,926,124,456,841.67/8,864,121.32
  6. Step 6: Final answer
    x = 7,098,969.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.