Home / 20,518,332-30,785,976.24-8,997,838.08

Finding the Fourth Proportional to 20,518,332, 30,785,976.24 and 8,997,838.08

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Solution

The fourth proportional to 20,518,332, 30,785,976.24 and 8,997,838.08 is: 13,500,475.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,518,332 : 30,785,976.24 = 8,997,838.08 : x
  2. Step 2: Convert to fraction form
    20,518,332/30,785,976.24 = 8,997,838.08/x
  3. Step 3: Cross multiply
    20,518,332x = 30,785,976.24 × 8,997,838.08
  4. Step 4: Simplify right side
    20,518,332x = 277,007,229,342,247.22
  5. Step 5: Solve for x
    x = 277,007,229,342,247.22/20,518,332
  6. Step 6: Final answer
    x = 13,500,475.06

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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.