Home / 29,126,719.86-40,209,983.88-21,277,418.28

Finding the Fourth Proportional to 29,126,719.86, 40,209,983.88 and 21,277,418.28

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Solution

The fourth proportional to 29,126,719.86, 40,209,983.88 and 21,277,418.28 is: 29,373,875.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,126,719.86 : 40,209,983.88 = 21,277,418.28 : x
  2. Step 2: Convert to fraction form
    29,126,719.86/40,209,983.88 = 21,277,418.28/x
  3. Step 3: Cross multiply
    29,126,719.86x = 40,209,983.88 × 21,277,418.28
  4. Step 4: Simplify right side
    29,126,719.86x = 855,564,646,046,817.38
  5. Step 5: Solve for x
    x = 855,564,646,046,817.38/29,126,719.86
  6. Step 6: Final answer
    x = 29,373,875.61

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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.