Home / 9,340,737.76-12,890,182.32-5,210,765.61

Finding the Fourth Proportional to 9,340,737.76, 12,890,182.32 and 5,210,765.61

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Solution

The fourth proportional to 9,340,737.76, 12,890,182.32 and 5,210,765.61 is: 7,190,836.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,340,737.76 : 12,890,182.32 = 5,210,765.61 : x
  2. Step 2: Convert to fraction form
    9,340,737.76/12,890,182.32 = 5,210,765.61/x
  3. Step 3: Cross multiply
    9,340,737.76x = 12,890,182.32 × 5,210,765.61
  4. Step 4: Simplify right side
    9,340,737.76x = 67,167,718,778,129.73
  5. Step 5: Solve for x
    x = 67,167,718,778,129.73/9,340,737.76
  6. Step 6: Final answer
    x = 7,190,836.58

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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.