Home / 12,304,269.20-18,456,403.80-7,265,421.20

Finding the Fourth Proportional to 12,304,269.20, 18,456,403.80 and 7,265,421.20

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Solution

The fourth proportional to 12,304,269.20, 18,456,403.80 and 7,265,421.20 is: 10,898,131.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,304,269.20 : 18,456,403.80 = 7,265,421.20 : x
  2. Step 2: Convert to fraction form
    12,304,269.20/18,456,403.80 = 7,265,421.20/x
  3. Step 3: Cross multiply
    12,304,269.20x = 18,456,403.80 × 7,265,421.20
  4. Step 4: Simplify right side
    12,304,269.20x = 134,093,547,444,280.56
  5. Step 5: Solve for x
    x = 134,093,547,444,280.56/12,304,269.20
  6. Step 6: Final answer
    x = 10,898,131.80

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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.