Home / 20,293,702.24-28,005,584.18-11,126,325.28

Finding the Fourth Proportional to 20,293,702.24, 28,005,584.18 and 11,126,325.28

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Solution

The fourth proportional to 20,293,702.24, 28,005,584.18 and 11,126,325.28 is: 15,354,479.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,293,702.24 : 28,005,584.18 = 11,126,325.28 : x
  2. Step 2: Convert to fraction form
    20,293,702.24/28,005,584.18 = 11,126,325.28/x
  3. Step 3: Cross multiply
    20,293,702.24x = 28,005,584.18 × 11,126,325.28
  4. Step 4: Simplify right side
    20,293,702.24x = 311,599,239,243,102.06
  5. Step 5: Solve for x
    x = 311,599,239,243,102.06/20,293,702.24
  6. Step 6: Final answer
    x = 15,354,479.71

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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.