Home / 8,205,276.79-12,308,440.04-3,156,587.29

Finding the Fourth Proportional to 8,205,276.79, 12,308,440.04 and 3,156,587.29

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Solution

The fourth proportional to 8,205,276.79, 12,308,440.04 and 3,156,587.29 is: 4,735,082.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,205,276.79 : 12,308,440.04 = 3,156,587.29 : x
  2. Step 2: Convert to fraction form
    8,205,276.79/12,308,440.04 = 3,156,587.29/x
  3. Step 3: Cross multiply
    8,205,276.79x = 12,308,440.04 × 3,156,587.29
  4. Step 4: Simplify right side
    8,205,276.79x = 38,852,665,312,665.96
  5. Step 5: Solve for x
    x = 38,852,665,312,665.96/8,205,276.79
  6. Step 6: Final answer
    x = 4,735,082.84

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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.