Home / 8,791,406.40-13,187,109.60-7,923,604.80

Finding the Fourth Proportional to 8,791,406.40, 13,187,109.60 and 7,923,604.80

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Solution

The fourth proportional to 8,791,406.40, 13,187,109.60 and 7,923,604.80 is: 11,885,407.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,791,406.40 : 13,187,109.60 = 7,923,604.80 : x
  2. Step 2: Convert to fraction form
    8,791,406.40/13,187,109.60 = 7,923,604.80/x
  3. Step 3: Cross multiply
    8,791,406.40x = 13,187,109.60 × 7,923,604.80
  4. Step 4: Simplify right side
    8,791,406.40x = 104,489,444,924,686.08
  5. Step 5: Solve for x
    x = 104,489,444,924,686.08/8,791,406.40
  6. Step 6: Final answer
    x = 11,885,407.20

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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.