Home / 12,506,968.20-18,732,458.70-10,267,480.20

Finding the Fourth Proportional to 12,506,968.20, 18,732,458.70 and 10,267,480.20

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Solution

The fourth proportional to 12,506,968.20, 18,732,458.70 and 10,267,480.20 is: 15,378,239.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,506,968.20 : 18,732,458.70 = 10,267,480.20 : x
  2. Step 2: Convert to fraction form
    12,506,968.20/18,732,458.70 = 10,267,480.20/x
  3. Step 3: Cross multiply
    12,506,968.20x = 18,732,458.70 × 10,267,480.20
  4. Step 4: Simplify right side
    12,506,968.20x = 192,335,148,799,567.72
  5. Step 5: Solve for x
    x = 192,335,148,799,567.72/12,506,968.20
  6. Step 6: Final answer
    x = 15,378,239.21

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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.