Home / 9,720,985.59-13,415,367.70-5,591,017.88

Finding the Fourth Proportional to 9,720,985.59, 13,415,367.70 and 5,591,017.88

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Solution

The fourth proportional to 9,720,985.59, 13,415,367.70 and 5,591,017.88 is: 7,715,839.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,720,985.59 : 13,415,367.70 = 5,591,017.88 : x
  2. Step 2: Convert to fraction form
    9,720,985.59/13,415,367.70 = 5,591,017.88/x
  3. Step 3: Cross multiply
    9,720,985.59x = 13,415,367.70 × 5,591,017.88
  4. Step 4: Simplify right side
    9,720,985.59x = 75,005,560,697,035.36
  5. Step 5: Solve for x
    x = 75,005,560,697,035.36/9,720,985.59
  6. Step 6: Final answer
    x = 7,715,839.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.