Home / 9,841,686.25-13,581,920.70-5,491,152.76

Finding the Fourth Proportional to 9,841,686.25, 13,581,920.70 and 5,491,152.76

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Solution

The fourth proportional to 9,841,686.25, 13,581,920.70 and 5,491,152.76 is: 7,578,010.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,841,686.25 : 13,581,920.70 = 5,491,152.76 : x
  2. Step 2: Convert to fraction form
    9,841,686.25/13,581,920.70 = 5,491,152.76/x
  3. Step 3: Cross multiply
    9,841,686.25x = 13,581,920.70 × 5,491,152.76
  4. Step 4: Simplify right side
    9,841,686.25x = 74,580,401,337,906.12
  5. Step 5: Solve for x
    x = 74,580,401,337,906.12/9,841,686.25
  6. Step 6: Final answer
    x = 7,578,010.46

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1.5x scale

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.