Home / 8,489,831.70-12,734,747.55-5,088,609.30

Finding the Fourth Proportional to 8,489,831.70, 12,734,747.55 and 5,088,609.30

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Solution

The fourth proportional to 8,489,831.70, 12,734,747.55 and 5,088,609.30 is: 7,632,913.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,489,831.70 : 12,734,747.55 = 5,088,609.30 : x
  2. Step 2: Convert to fraction form
    8,489,831.70/12,734,747.55 = 5,088,609.30/x
  3. Step 3: Cross multiply
    8,489,831.70x = 12,734,747.55 × 5,088,609.30
  4. Step 4: Simplify right side
    8,489,831.70x = 64,802,154,816,082.22
  5. Step 5: Solve for x
    x = 64,802,154,816,082.22/8,489,831.70
  6. Step 6: Final answer
    x = 7,632,913.95

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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.