Home / 30,229,731.30-45,335,812.19-11,781,570.45

Finding the Fourth Proportional to 30,229,731.30, 45,335,812.19 and 11,781,570.45

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Solution

The fourth proportional to 30,229,731.30, 45,335,812.19 and 11,781,570.45 is: 17,668,931.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,229,731.30 : 45,335,812.19 = 11,781,570.45 : x
  2. Step 2: Convert to fraction form
    30,229,731.30/45,335,812.19 = 11,781,570.45/x
  3. Step 3: Cross multiply
    30,229,731.30x = 45,335,812.19 × 11,781,570.45
  4. Step 4: Simplify right side
    30,229,731.30x = 534,127,065,224,453.75
  5. Step 5: Solve for x
    x = 534,127,065,224,453.75/30,229,731.30
  6. Step 6: Final answer
    x = 17,668,931.95

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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.