Home / 9,788,711.15-13,512,059.13-8,406,504.47

Finding the Fourth Proportional to 9,788,711.15, 13,512,059.13 and 8,406,504.47

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Solution

The fourth proportional to 9,788,711.15, 13,512,059.13 and 8,406,504.47 is: 11,604,100.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,788,711.15 : 13,512,059.13 = 8,406,504.47 : x
  2. Step 2: Convert to fraction form
    9,788,711.15/13,512,059.13 = 8,406,504.47/x
  3. Step 3: Cross multiply
    9,788,711.15x = 13,512,059.13 × 8,406,504.47
  4. Step 4: Simplify right side
    9,788,711.15x = 113,589,185,407,689.02
  5. Step 5: Solve for x
    x = 113,589,185,407,689.02/9,788,711.15
  6. Step 6: Final answer
    x = 11,604,100.25

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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.