Home / 9,679,677.55-13,357,545.83-5,269,311.38

Finding the Fourth Proportional to 9,679,677.55, 13,357,545.83 and 5,269,311.38

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Solution

The fourth proportional to 9,679,677.55, 13,357,545.83 and 5,269,311.38 is: 7,271,426.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,679,677.55 : 13,357,545.83 = 5,269,311.38 : x
  2. Step 2: Convert to fraction form
    9,679,677.55/13,357,545.83 = 5,269,311.38/x
  3. Step 3: Cross multiply
    9,679,677.55x = 13,357,545.83 × 5,269,311.38
  4. Step 4: Simplify right side
    9,679,677.55x = 70,385,068,250,890.55
  5. Step 5: Solve for x
    x = 70,385,068,250,890.55/9,679,677.55
  6. Step 6: Final answer
    x = 7,271,426.95

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1.5x scale

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.