Home / 20,409,764.15-28,165,476.06-11,242,406.90

Finding the Fourth Proportional to 20,409,764.15, 28,165,476.06 and 11,242,406.90

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Solution

The fourth proportional to 20,409,764.15, 28,165,476.06 and 11,242,406.90 is: 15,514,522.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,409,764.15 : 28,165,476.06 = 11,242,406.90 : x
  2. Step 2: Convert to fraction form
    20,409,764.15/28,165,476.06 = 11,242,406.90/x
  3. Step 3: Cross multiply
    20,409,764.15x = 28,165,476.06 × 11,242,406.90
  4. Step 4: Simplify right side
    20,409,764.15x = 316,647,742,257,901.38
  5. Step 5: Solve for x
    x = 316,647,742,257,901.38/20,409,764.15
  6. Step 6: Final answer
    x = 15,514,522.36

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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.