Home / 31,813,924.56-47,654,676.63-20,242,070.16

Finding the Fourth Proportional to 31,813,924.56, 47,654,676.63 and 20,242,070.16

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Solution

The fourth proportional to 31,813,924.56, 47,654,676.63 and 20,242,070.16 is: 30,320,978.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,813,924.56 : 47,654,676.63 = 20,242,070.16 : x
  2. Step 2: Convert to fraction form
    31,813,924.56/47,654,676.63 = 20,242,070.16/x
  3. Step 3: Cross multiply
    31,813,924.56x = 47,654,676.63 × 20,242,070.16
  4. Step 4: Simplify right side
    31,813,924.56x = 964,629,307,796,572.38
  5. Step 5: Solve for x
    x = 964,629,307,796,572.38/31,813,924.56
  6. Step 6: Final answer
    x = 30,320,978.04

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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.