Home / 30,304,399.20-45,456,598.80-18,187,544.40

Finding the Fourth Proportional to 30,304,399.20, 45,456,598.80 and 18,187,544.40

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Solution

The fourth proportional to 30,304,399.20, 45,456,598.80 and 18,187,544.40 is: 27,281,316.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,304,399.20 : 45,456,598.80 = 18,187,544.40 : x
  2. Step 2: Convert to fraction form
    30,304,399.20/45,456,598.80 = 18,187,544.40/x
  3. Step 3: Cross multiply
    30,304,399.20x = 45,456,598.80 × 18,187,544.40
  4. Step 4: Simplify right side
    30,304,399.20x = 826,743,908,947,986.62
  5. Step 5: Solve for x
    x = 826,743,908,947,986.62/30,304,399.20
  6. Step 6: Final answer
    x = 27,281,316.60

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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.