Home / 8,768,614.80-13,138,925.40-7,340,941.20

Finding the Fourth Proportional to 8,768,614.80, 13,138,925.40 and 7,340,941.20

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Solution

The fourth proportional to 8,768,614.80, 13,138,925.40 and 7,340,941.20 is: 10,999,693.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768,614.80 : 13,138,925.40 = 7,340,941.20 : x
  2. Step 2: Convert to fraction form
    8,768,614.80/13,138,925.40 = 7,340,941.20/x
  3. Step 3: Cross multiply
    8,768,614.80x = 13,138,925.40 × 7,340,941.20
  4. Step 4: Simplify right side
    8,768,614.80x = 96,452,078,792,586.48
  5. Step 5: Solve for x
    x = 96,452,078,792,586.48/8,768,614.80
  6. Step 6: Final answer
    x = 10,999,693.91

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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.