Home / 7,648,471.20-11,473,225.20-2,600,162.40

Finding the Fourth Proportional to 7,648,471.20, 11,473,225.20 and 2,600,162.40

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Solution

The fourth proportional to 7,648,471.20, 11,473,225.20 and 2,600,162.40 is: 3,900,419.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,648,471.20 : 11,473,225.20 = 2,600,162.40 : x
  2. Step 2: Convert to fraction form
    7,648,471.20/11,473,225.20 = 2,600,162.40/x
  3. Step 3: Cross multiply
    7,648,471.20x = 11,473,225.20 × 2,600,162.40
  4. Step 4: Simplify right side
    7,648,471.20x = 29,832,248,771,772.48
  5. Step 5: Solve for x
    x = 29,832,248,771,772.48/7,648,471.20
  6. Step 6: Final answer
    x = 3,900,419.83

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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.