Home / 8,862,382.95-12,230,141.78-4,942,386.55

Finding the Fourth Proportional to 8,862,382.95, 12,230,141.78 and 4,942,386.55

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Solution

The fourth proportional to 8,862,382.95, 12,230,141.78 and 4,942,386.55 is: 6,820,523.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,862,382.95 : 12,230,141.78 = 4,942,386.55 : x
  2. Step 2: Convert to fraction form
    8,862,382.95/12,230,141.78 = 4,942,386.55/x
  3. Step 3: Cross multiply
    8,862,382.95x = 12,230,141.78 × 4,942,386.55
  4. Step 4: Simplify right side
    8,862,382.95x = 60,446,088,152,202.42
  5. Step 5: Solve for x
    x = 60,446,088,152,202.42/8,862,382.95
  6. Step 6: Final answer
    x = 6,820,523.16

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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.