Home / 20,267,346.52-27,968,390.94-11,565,363.16

Finding the Fourth Proportional to 20,267,346.52, 27,968,390.94 and 11,565,363.16

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Solution

The fourth proportional to 20,267,346.52, 27,968,390.94 and 11,565,363.16 is: 15,959,888.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,267,346.52 : 27,968,390.94 = 11,565,363.16 : x
  2. Step 2: Convert to fraction form
    20,267,346.52/27,968,390.94 = 11,565,363.16/x
  3. Step 3: Cross multiply
    20,267,346.52x = 27,968,390.94 × 11,565,363.16
  4. Step 4: Simplify right side
    20,267,346.52x = 323,464,598,221,953.81
  5. Step 5: Solve for x
    x = 323,464,598,221,953.81/20,267,346.52
  6. Step 6: Final answer
    x = 15,959,888.87

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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.