Home / 20,881,021.12-31,321,468.32-5,734,966.08

Finding the Fourth Proportional to 20,881,021.12, 31,321,468.32 and 5,734,966.08

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Solution

The fourth proportional to 20,881,021.12, 31,321,468.32 and 5,734,966.08 is: 8,602,431.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,881,021.12 : 31,321,468.32 = 5,734,966.08 : x
  2. Step 2: Convert to fraction form
    20,881,021.12/31,321,468.32 = 5,734,966.08/x
  3. Step 3: Cross multiply
    20,881,021.12x = 31,321,468.32 × 5,734,966.08
  4. Step 4: Simplify right side
    20,881,021.12x = 179,627,558,390,994.59
  5. Step 5: Solve for x
    x = 179,627,558,390,994.59/20,881,021.12
  6. Step 6: Final answer
    x = 8,602,431.72

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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.