Home / 19,278,764.16-28,897,969.14-6,494,851.68

Finding the Fourth Proportional to 19,278,764.16, 28,897,969.14 and 6,494,851.68

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Solution

The fourth proportional to 19,278,764.16, 28,897,969.14 and 6,494,851.68 is: 9,735,480.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,278,764.16 : 28,897,969.14 = 6,494,851.68 : x
  2. Step 2: Convert to fraction form
    19,278,764.16/28,897,969.14 = 6,494,851.68/x
  3. Step 3: Cross multiply
    19,278,764.16x = 28,897,969.14 × 6,494,851.68
  4. Step 4: Simplify right side
    19,278,764.16x = 187,688,023,417,517.16
  5. Step 5: Solve for x
    x = 187,688,023,417,517.16/19,278,764.16
  6. Step 6: Final answer
    x = 9,735,480.03

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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.