Home / 28,230,764.19-42,348,170.30-11,819,533.95

Finding the Fourth Proportional to 28,230,764.19, 42,348,170.30 and 11,819,533.95

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Solution

The fourth proportional to 28,230,764.19, 42,348,170.30 and 11,819,533.95 is: 17,730,148.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,230,764.19 : 42,348,170.30 = 11,819,533.95 : x
  2. Step 2: Convert to fraction form
    28,230,764.19/42,348,170.30 = 11,819,533.95/x
  3. Step 3: Cross multiply
    28,230,764.19x = 42,348,170.30 × 11,819,533.95
  4. Step 4: Simplify right side
    28,230,764.19x = 500,535,636,522,134
  5. Step 5: Solve for x
    x = 500,535,636,522,134/28,230,764.19
  6. Step 6: Final answer
    x = 17,730,148.33

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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.