Home / 8,046,210.20-12,069,315.30-7,169,332.55

Finding the Fourth Proportional to 8,046,210.20, 12,069,315.30 and 7,169,332.55

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Solution

The fourth proportional to 8,046,210.20, 12,069,315.30 and 7,169,332.55 is: 10,753,998.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,046,210.20 : 12,069,315.30 = 7,169,332.55 : x
  2. Step 2: Convert to fraction form
    8,046,210.20/12,069,315.30 = 7,169,332.55/x
  3. Step 3: Cross multiply
    8,046,210.20x = 12,069,315.30 × 7,169,332.55
  4. Step 4: Simplify right side
    8,046,210.20x = 86,528,935,036,503.02
  5. Step 5: Solve for x
    x = 86,528,935,036,503.02/8,046,210.20
  6. Step 6: Final answer
    x = 10,753,998.83

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.