Home / 15,554,445.80-23,331,668.70-5,458,087.40

Finding the Fourth Proportional to 15,554,445.80, 23,331,668.70 and 5,458,087.40

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Solution

The fourth proportional to 15,554,445.80, 23,331,668.70 and 5,458,087.40 is: 8,187,131.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,554,445.80 : 23,331,668.70 = 5,458,087.40 : x
  2. Step 2: Convert to fraction form
    15,554,445.80/23,331,668.70 = 5,458,087.40/x
  3. Step 3: Cross multiply
    15,554,445.80x = 23,331,668.70 × 5,458,087.40
  4. Step 4: Simplify right side
    15,554,445.80x = 127,346,286,952,444.39
  5. Step 5: Solve for x
    x = 127,346,286,952,444.39/15,554,445.80
  6. Step 6: Final answer
    x = 8,187,131.10

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Similar ratio
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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.