Home / 28,394,999.30-42,582,001.35-9,226,381.70

Finding the Fourth Proportional to 28,394,999.30, 42,582,001.35 and 9,226,381.70

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Solution

The fourth proportional to 28,394,999.30, 42,582,001.35 and 9,226,381.70 is: 13,836,161.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,394,999.30 : 42,582,001.35 = 9,226,381.70 : x
  2. Step 2: Convert to fraction form
    28,394,999.30/42,582,001.35 = 9,226,381.70/x
  3. Step 3: Cross multiply
    28,394,999.30x = 42,582,001.35 × 9,226,381.70
  4. Step 4: Simplify right side
    28,394,999.30x = 392,877,798,005,015.25
  5. Step 5: Solve for x
    x = 392,877,798,005,015.25/28,394,999.30
  6. Step 6: Final answer
    x = 13,836,161.57

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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.