Home / 20,234,908.10-30,341,864.55-7,448,831.30

Finding the Fourth Proportional to 20,234,908.10, 30,341,864.55 and 7,448,831.30

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Solution

The fourth proportional to 20,234,908.10, 30,341,864.55 and 7,448,831.30 is: 11,169,382.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,234,908.10 : 30,341,864.55 = 7,448,831.30 : x
  2. Step 2: Convert to fraction form
    20,234,908.10/30,341,864.55 = 7,448,831.30/x
  3. Step 3: Cross multiply
    20,234,908.10x = 30,341,864.55 × 7,448,831.30
  4. Step 4: Simplify right side
    20,234,908.10x = 226,011,430,360,400.41
  5. Step 5: Solve for x
    x = 226,011,430,360,400.41/20,234,908.10
  6. Step 6: Final answer
    x = 11,169,382.60

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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.