Home / 8,747,237.90-13,120,856.85-4,920,862.70

Finding the Fourth Proportional to 8,747,237.90, 13,120,856.85 and 4,920,862.70

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Solution

The fourth proportional to 8,747,237.90, 13,120,856.85 and 4,920,862.70 is: 7,381,294.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747,237.90 : 13,120,856.85 = 4,920,862.70 : x
  2. Step 2: Convert to fraction form
    8,747,237.90/13,120,856.85 = 4,920,862.70/x
  3. Step 3: Cross multiply
    8,747,237.90x = 13,120,856.85 × 4,920,862.70
  4. Step 4: Simplify right side
    8,747,237.90x = 64,565,935,065,204.49
  5. Step 5: Solve for x
    x = 64,565,935,065,204.49/8,747,237.90
  6. Step 6: Final answer
    x = 7,381,294.05

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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.