Home / 9,658,162.20-13,314,945.76-7,704,671.61

Finding the Fourth Proportional to 9,658,162.20, 13,314,945.76 and 7,704,671.61

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Solution

The fourth proportional to 9,658,162.20, 13,314,945.76 and 7,704,671.61 is: 10,621,822.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,658,162.20 : 13,314,945.76 = 7,704,671.61 : x
  2. Step 2: Convert to fraction form
    9,658,162.20/13,314,945.76 = 7,704,671.61/x
  3. Step 3: Cross multiply
    9,658,162.20x = 13,314,945.76 × 7,704,671.61
  4. Step 4: Simplify right side
    9,658,162.20x = 102,587,284,566,500.20
  5. Step 5: Solve for x
    x = 102,587,284,566,500.20/9,658,162.20
  6. Step 6: Final answer
    x = 10,621,822.50

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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.