Home / 18,528,022.80-27,792,034.20-17,488,760.40

Finding the Fourth Proportional to 18,528,022.80, 27,792,034.20 and 17,488,760.40

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Solution

The fourth proportional to 18,528,022.80, 27,792,034.20 and 17,488,760.40 is: 26,233,140.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,528,022.80 : 27,792,034.20 = 17,488,760.40 : x
  2. Step 2: Convert to fraction form
    18,528,022.80/27,792,034.20 = 17,488,760.40/x
  3. Step 3: Cross multiply
    18,528,022.80x = 27,792,034.20 × 17,488,760.40
  4. Step 4: Simplify right side
    18,528,022.80x = 486,048,227,152,405.62
  5. Step 5: Solve for x
    x = 486,048,227,152,405.62/18,528,022.80
  6. Step 6: Final answer
    x = 26,233,140.60

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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.