Home / 8,490,469.20-12,735,703.80-5,656,117.20

Finding the Fourth Proportional to 8,490,469.20, 12,735,703.80 and 5,656,117.20

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Solution

The fourth proportional to 8,490,469.20, 12,735,703.80 and 5,656,117.20 is: 8,484,175.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,490,469.20 : 12,735,703.80 = 5,656,117.20 : x
  2. Step 2: Convert to fraction form
    8,490,469.20/12,735,703.80 = 5,656,117.20/x
  3. Step 3: Cross multiply
    8,490,469.20x = 12,735,703.80 × 5,656,117.20
  4. Step 4: Simplify right side
    8,490,469.20x = 72,034,633,317,285.36
  5. Step 5: Solve for x
    x = 72,034,633,317,285.36/8,490,469.20
  6. Step 6: Final answer
    x = 8,484,175.80

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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.