Home / 13,561,461.57-18,715,154.46-7,366,506.39

Finding the Fourth Proportional to 13,561,461.57, 18,715,154.46 and 7,366,506.39

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Solution

The fourth proportional to 13,561,461.57, 18,715,154.46 and 7,366,506.39 is: 10,165,962.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,561,461.57 : 18,715,154.46 = 7,366,506.39 : x
  2. Step 2: Convert to fraction form
    13,561,461.57/18,715,154.46 = 7,366,506.39/x
  3. Step 3: Cross multiply
    13,561,461.57x = 18,715,154.46 × 7,366,506.39
  4. Step 4: Simplify right side
    13,561,461.57x = 137,865,304,919,427
  5. Step 5: Solve for x
    x = 137,865,304,919,427/13,561,461.57
  6. Step 6: Final answer
    x = 10,165,962.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.