Home / 8,766,411.60-13,149,617.40-7,814,629.20

Finding the Fourth Proportional to 8,766,411.60, 13,149,617.40 and 7,814,629.20

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Solution

The fourth proportional to 8,766,411.60, 13,149,617.40 and 7,814,629.20 is: 11,721,943.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766,411.60 : 13,149,617.40 = 7,814,629.20 : x
  2. Step 2: Convert to fraction form
    8,766,411.60/13,149,617.40 = 7,814,629.20/x
  3. Step 3: Cross multiply
    8,766,411.60x = 13,149,617.40 × 7,814,629.20
  4. Step 4: Simplify right side
    8,766,411.60x = 102,759,384,102,868.08
  5. Step 5: Solve for x
    x = 102,759,384,102,868.08/8,766,411.60
  6. Step 6: Final answer
    x = 11,721,943.80

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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.