Home / 8,817,689.55-12,169,739.66-5,381,927.13

Finding the Fourth Proportional to 8,817,689.55, 12,169,739.66 and 5,381,927.13

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Solution

The fourth proportional to 8,817,689.55, 12,169,739.66 and 5,381,927.13 is: 7,427,870.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,817,689.55 : 12,169,739.66 = 5,381,927.13 : x
  2. Step 2: Convert to fraction form
    8,817,689.55/12,169,739.66 = 5,381,927.13/x
  3. Step 3: Cross multiply
    8,817,689.55x = 12,169,739.66 × 5,381,927.13
  4. Step 4: Simplify right side
    8,817,689.55x = 65,496,652,041,190.98
  5. Step 5: Solve for x
    x = 65,496,652,041,190.98/8,817,689.55
  6. Step 6: Final answer
    x = 7,427,870.04

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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.