Home / 18,145,720.80-27,218,581.20-9,075,794.40

Finding the Fourth Proportional to 18,145,720.80, 27,218,581.20 and 9,075,794.40

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Solution

The fourth proportional to 18,145,720.80, 27,218,581.20 and 9,075,794.40 is: 13,613,691.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,720.80 : 27,218,581.20 = 9,075,794.40 : x
  2. Step 2: Convert to fraction form
    18,145,720.80/27,218,581.20 = 9,075,794.40/x
  3. Step 3: Cross multiply
    18,145,720.80x = 27,218,581.20 × 9,075,794.40
  4. Step 4: Simplify right side
    18,145,720.80x = 247,030,246,830,905.28
  5. Step 5: Solve for x
    x = 247,030,246,830,905.28/18,145,720.80
  6. Step 6: Final answer
    x = 13,613,691.60

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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.