Home / 15,968,385.28-22,036,114.56-8,724,885.76

Finding the Fourth Proportional to 15,968,385.28, 22,036,114.56 and 8,724,885.76

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Solution

The fourth proportional to 15,968,385.28, 22,036,114.56 and 8,724,885.76 is: 12,040,201.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,968,385.28 : 22,036,114.56 = 8,724,885.76 : x
  2. Step 2: Convert to fraction form
    15,968,385.28/22,036,114.56 = 8,724,885.76/x
  3. Step 3: Cross multiply
    15,968,385.28x = 22,036,114.56 × 8,724,885.76
  4. Step 4: Simplify right side
    15,968,385.28x = 192,262,582,130,272.66
  5. Step 5: Solve for x
    x = 192,262,582,130,272.66/15,968,385.28
  6. Step 6: Final answer
    x = 12,040,201.86

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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.