Home / 8,145,258.31-12,217,898.80-3,470,130.28

Finding the Fourth Proportional to 8,145,258.31, 12,217,898.80 and 3,470,130.28

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Solution

The fourth proportional to 8,145,258.31, 12,217,898.80 and 3,470,130.28 is: 5,205,200.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145,258.31 : 12,217,898.80 = 3,470,130.28 : x
  2. Step 2: Convert to fraction form
    8,145,258.31/12,217,898.80 = 3,470,130.28/x
  3. Step 3: Cross multiply
    8,145,258.31x = 12,217,898.80 × 3,470,130.28
  4. Step 4: Simplify right side
    8,145,258.31x = 42,397,700,522,766.17
  5. Step 5: Solve for x
    x = 42,397,700,522,766.17/8,145,258.31
  6. Step 6: Final answer
    x = 5,205,200.24

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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.