Home / 19,159,645.77-28,743,869.66-5,512,905.20

Finding the Fourth Proportional to 19,159,645.77, 28,743,869.66 and 5,512,905.20

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Solution

The fourth proportional to 19,159,645.77, 28,743,869.66 and 5,512,905.20 is: 8,270,624.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,159,645.77 : 28,743,869.66 = 5,512,905.20 : x
  2. Step 2: Convert to fraction form
    19,159,645.77/28,743,869.66 = 5,512,905.20/x
  3. Step 3: Cross multiply
    19,159,645.77x = 28,743,869.66 × 5,512,905.20
  4. Step 4: Simplify right side
    19,159,645.77x = 158,462,228,370,565.47
  5. Step 5: Solve for x
    x = 158,462,228,370,565.47/19,159,645.77
  6. Step 6: Final answer
    x = 8,270,624.11

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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.