Home / 31,838,009.60-43,936,602.03-18,087,728.24

Finding the Fourth Proportional to 31,838,009.60, 43,936,602.03 and 18,087,728.24

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Solution

The fourth proportional to 31,838,009.60, 43,936,602.03 and 18,087,728.24 is: 24,961,149.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,838,009.60 : 43,936,602.03 = 18,087,728.24 : x
  2. Step 2: Convert to fraction form
    31,838,009.60/43,936,602.03 = 18,087,728.24/x
  3. Step 3: Cross multiply
    31,838,009.60x = 43,936,602.03 × 18,087,728.24
  4. Step 4: Simplify right side
    31,838,009.60x = 794,713,317,087,989.25
  5. Step 5: Solve for x
    x = 794,713,317,087,989.25/31,838,009.60
  6. Step 6: Final answer
    x = 24,961,149.49

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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.