Home / 20,042,062.81-30,011,566.19-13,885,278.80

Finding the Fourth Proportional to 20,042,062.81, 30,011,566.19 and 13,885,278.80

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Solution

The fourth proportional to 20,042,062.81, 30,011,566.19 and 13,885,278.80 is: 20,792,219.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,042,062.81 : 30,011,566.19 = 13,885,278.80 : x
  2. Step 2: Convert to fraction form
    20,042,062.81/30,011,566.19 = 13,885,278.80/x
  3. Step 3: Cross multiply
    20,042,062.81x = 30,011,566.19 × 13,885,278.80
  4. Step 4: Simplify right side
    20,042,062.81x = 416,718,963,553,319.50
  5. Step 5: Solve for x
    x = 416,718,963,553,319.50/20,042,062.81
  6. Step 6: Final answer
    x = 20,792,219.22

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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.