Home / 12,476,020.80-18,712,281.60-3,957,218.40

Finding the Fourth Proportional to 12,476,020.80, 18,712,281.60 and 3,957,218.40

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Solution

The fourth proportional to 12,476,020.80, 18,712,281.60 and 3,957,218.40 is: 5,935,272.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476,020.80 : 18,712,281.60 = 3,957,218.40 : x
  2. Step 2: Convert to fraction form
    12,476,020.80/18,712,281.60 = 3,957,218.40/x
  3. Step 3: Cross multiply
    12,476,020.80x = 18,712,281.60 × 3,957,218.40
  4. Step 4: Simplify right side
    12,476,020.80x = 74,048,585,053,501.44
  5. Step 5: Solve for x
    x = 74,048,585,053,501.44/12,476,020.80
  6. Step 6: Final answer
    x = 5,935,272.65

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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.