Home / 8,432,534.71-12,653,839.67-7,746,471.43

Finding the Fourth Proportional to 8,432,534.71, 12,653,839.67 and 7,746,471.43

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Solution

The fourth proportional to 8,432,534.71, 12,653,839.67 and 7,746,471.43 is: 11,624,334.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432,534.71 : 12,653,839.67 = 7,746,471.43 : x
  2. Step 2: Convert to fraction form
    8,432,534.71/12,653,839.67 = 7,746,471.43/x
  3. Step 3: Cross multiply
    8,432,534.71x = 12,653,839.67 × 7,746,471.43
  4. Step 4: Simplify right side
    8,432,534.71x = 98,022,607,483,455.62
  5. Step 5: Solve for x
    x = 98,022,607,483,455.62/8,432,534.71
  6. Step 6: Final answer
    x = 11,624,334.90

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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.