Home / 12,304,278.20-18,456,417.30-7,265,430.20

Finding the Fourth Proportional to 12,304,278.20, 18,456,417.30 and 7,265,430.20

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Solution

The fourth proportional to 12,304,278.20, 18,456,417.30 and 7,265,430.20 is: 10,898,145.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,304,278.20 : 18,456,417.30 = 7,265,430.20 : x
  2. Step 2: Convert to fraction form
    12,304,278.20/18,456,417.30 = 7,265,430.20/x
  3. Step 3: Cross multiply
    12,304,278.20x = 18,456,417.30 × 7,265,430.20
  4. Step 4: Simplify right side
    12,304,278.20x = 134,093,811,635,222.47
  5. Step 5: Solve for x
    x = 134,093,811,635,222.47/12,304,278.20
  6. Step 6: Final answer
    x = 10,898,145.30

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1.5x scale

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.