Home / 20,681,505.26-31,036,427.49-7,218,333.26

Finding the Fourth Proportional to 20,681,505.26, 31,036,427.49 and 7,218,333.26

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Solution

The fourth proportional to 20,681,505.26, 31,036,427.49 and 7,218,333.26 is: 10,832,445.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,681,505.26 : 31,036,427.49 = 7,218,333.26 : x
  2. Step 2: Convert to fraction form
    20,681,505.26/31,036,427.49 = 7,218,333.26/x
  3. Step 3: Cross multiply
    20,681,505.26x = 31,036,427.49 × 7,218,333.26
  4. Step 4: Simplify right side
    20,681,505.26x = 224,031,276,822,645.31
  5. Step 5: Solve for x
    x = 224,031,276,822,645.31/20,681,505.26
  6. Step 6: Final answer
    x = 10,832,445.41

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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.