Home / 28,406,218.56-39,202,970.40-17,392,914.24

Finding the Fourth Proportional to 28,406,218.56, 39,202,970.40 and 17,392,914.24

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Solution

The fourth proportional to 28,406,218.56, 39,202,970.40 and 17,392,914.24 is: 24,003,684.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,406,218.56 : 39,202,970.40 = 17,392,914.24 : x
  2. Step 2: Convert to fraction form
    28,406,218.56/39,202,970.40 = 17,392,914.24/x
  3. Step 3: Cross multiply
    28,406,218.56x = 39,202,970.40 × 17,392,914.24
  4. Step 4: Simplify right side
    28,406,218.56x = 681,853,902,120,458.38
  5. Step 5: Solve for x
    x = 681,853,902,120,458.38/28,406,218.56
  6. Step 6: Final answer
    x = 24,003,684.29

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.