Home / 17,554,140.80-26,331,211.20-15,428,376.80

Finding the Fourth Proportional to 17,554,140.80, 26,331,211.20 and 15,428,376.80

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Solution

The fourth proportional to 17,554,140.80, 26,331,211.20 and 15,428,376.80 is: 23,142,565.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,554,140.80 : 26,331,211.20 = 15,428,376.80 : x
  2. Step 2: Convert to fraction form
    17,554,140.80/26,331,211.20 = 15,428,376.80/x
  3. Step 3: Cross multiply
    17,554,140.80x = 26,331,211.20 × 15,428,376.80
  4. Step 4: Simplify right side
    17,554,140.80x = 406,247,847,993,980.19
  5. Step 5: Solve for x
    x = 406,247,847,993,980.19/17,554,140.80
  6. Step 6: Final answer
    x = 23,142,565.20

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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.