Home / 28,230,764.75-42,348,171.14-11,819,534.51

Finding the Fourth Proportional to 28,230,764.75, 42,348,171.14 and 11,819,534.51

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Solution

The fourth proportional to 28,230,764.75, 42,348,171.14 and 11,819,534.51 is: 17,730,149.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,230,764.75 : 42,348,171.14 = 11,819,534.51 : x
  2. Step 2: Convert to fraction form
    28,230,764.75/42,348,171.14 = 11,819,534.51/x
  3. Step 3: Cross multiply
    28,230,764.75x = 42,348,171.14 × 11,819,534.51
  4. Step 4: Simplify right side
    28,230,764.75x = 500,535,670,360,035.25
  5. Step 5: Solve for x
    x = 500,535,670,360,035.25/28,230,764.75
  6. Step 6: Final answer
    x = 17,730,149.18

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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.