Home / 18,431,567.80-27,647,351.70-9,361,641.40

Finding the Fourth Proportional to 18,431,567.80, 27,647,351.70 and 9,361,641.40

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Solution

The fourth proportional to 18,431,567.80, 27,647,351.70 and 9,361,641.40 is: 14,042,462.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,431,567.80 : 27,647,351.70 = 9,361,641.40 : x
  2. Step 2: Convert to fraction form
    18,431,567.80/27,647,351.70 = 9,361,641.40/x
  3. Step 3: Cross multiply
    18,431,567.80x = 27,647,351.70 × 9,361,641.40
  4. Step 4: Simplify right side
    18,431,567.80x = 258,824,592,275,080.38
  5. Step 5: Solve for x
    x = 258,824,592,275,080.38/18,431,567.80
  6. Step 6: Final answer
    x = 14,042,462.10

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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.