Home / 9,117,712.80-13,676,569.20-6,991,948.80

Finding the Fourth Proportional to 9,117,712.80, 13,676,569.20 and 6,991,948.80

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Solution

The fourth proportional to 9,117,712.80, 13,676,569.20 and 6,991,948.80 is: 10,487,923.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117,712.80 : 13,676,569.20 = 6,991,948.80 : x
  2. Step 2: Convert to fraction form
    9,117,712.80/13,676,569.20 = 6,991,948.80/x
  3. Step 3: Cross multiply
    9,117,712.80x = 13,676,569.20 × 6,991,948.80
  4. Step 4: Simplify right side
    9,117,712.80x = 95,625,871,606,056.95
  5. Step 5: Solve for x
    x = 95,625,871,606,056.95/9,117,712.80
  6. Step 6: Final answer
    x = 10,487,923.20

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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.