Home / 12,238,415.20-18,371,765.40-6,569,711.20

Finding the Fourth Proportional to 12,238,415.20, 18,371,765.40 and 6,569,711.20

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Solution

The fourth proportional to 12,238,415.20, 18,371,765.40 and 6,569,711.20 is: 9,862,158.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,238,415.20 : 18,371,765.40 = 6,569,711.20 : x
  2. Step 2: Convert to fraction form
    12,238,415.20/18,371,765.40 = 6,569,711.20/x
  3. Step 3: Cross multiply
    12,238,415.20x = 18,371,765.40 × 6,569,711.20
  4. Step 4: Simplify right side
    12,238,415.20x = 120,697,192,912,152.47
  5. Step 5: Solve for x
    x = 120,697,192,912,152.47/12,238,415.20
  6. Step 6: Final answer
    x = 9,862,158.70

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1.5x scale

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.