Home / 8,928,379.90-12,316,621.98-5,832,715.28

Finding the Fourth Proportional to 8,928,379.90, 12,316,621.98 and 5,832,715.28

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Solution

The fourth proportional to 8,928,379.90, 12,316,621.98 and 5,832,715.28 is: 8,046,179.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,928,379.90 : 12,316,621.98 = 5,832,715.28 : x
  2. Step 2: Convert to fraction form
    8,928,379.90/12,316,621.98 = 5,832,715.28/x
  3. Step 3: Cross multiply
    8,928,379.90x = 12,316,621.98 × 5,832,715.28
  4. Step 4: Simplify right side
    8,928,379.90x = 71,839,349,220,729.86
  5. Step 5: Solve for x
    x = 71,839,349,220,729.86/8,928,379.90
  6. Step 6: Final answer
    x = 8,046,179.71

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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.