Home / 20,645,839.71-30,966,758.46-6,269,033.88

Finding the Fourth Proportional to 20,645,839.71, 30,966,758.46 and 6,269,033.88

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Solution

The fourth proportional to 20,645,839.71, 30,966,758.46 and 6,269,033.88 is: 9,402,943.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,645,839.71 : 30,966,758.46 = 6,269,033.88 : x
  2. Step 2: Convert to fraction form
    20,645,839.71/30,966,758.46 = 6,269,033.88/x
  3. Step 3: Cross multiply
    20,645,839.71x = 30,966,758.46 × 6,269,033.88
  4. Step 4: Simplify right side
    20,645,839.71x = 194,131,657,939,516.62
  5. Step 5: Solve for x
    x = 194,131,657,939,516.62/20,645,839.71
  6. Step 6: Final answer
    x = 9,402,943.19

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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.