Home / 13,407,352.68-20,114,177.82-4,431,904.36

Finding the Fourth Proportional to 13,407,352.68, 20,114,177.82 and 4,431,904.36

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Solution

The fourth proportional to 13,407,352.68, 20,114,177.82 and 4,431,904.36 is: 6,648,897.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,407,352.68 : 20,114,177.82 = 4,431,904.36 : x
  2. Step 2: Convert to fraction form
    13,407,352.68/20,114,177.82 = 4,431,904.36/x
  3. Step 3: Cross multiply
    13,407,352.68x = 20,114,177.82 × 4,431,904.36
  4. Step 4: Simplify right side
    13,407,352.68x = 89,144,112,378,273.30
  5. Step 5: Solve for x
    x = 89,144,112,378,273.30/13,407,352.68
  6. Step 6: Final answer
    x = 6,648,897.40

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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.