Home / 8,745,149.80-13,145,718.30-6,238,167.40

Finding the Fourth Proportional to 8,745,149.80, 13,145,718.30 and 6,238,167.40

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Solution

The fourth proportional to 8,745,149.80, 13,145,718.30 and 6,238,167.40 is: 9,377,219.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,745,149.80 : 13,145,718.30 = 6,238,167.40 : x
  2. Step 2: Convert to fraction form
    8,745,149.80/13,145,718.30 = 6,238,167.40/x
  3. Step 3: Cross multiply
    8,745,149.80x = 13,145,718.30 × 6,238,167.40
  4. Step 4: Simplify right side
    8,745,149.80x = 82,005,191,348,643.42
  5. Step 5: Solve for x
    x = 82,005,191,348,643.42/8,745,149.80
  6. Step 6: Final answer
    x = 9,377,219.74

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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.