Home / 38,367,318.80-52,947,612.47-20,964,791.18

Finding the Fourth Proportional to 38,367,318.80, 52,947,612.47 and 20,964,791.18

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Solution

The fourth proportional to 38,367,318.80, 52,947,612.47 and 20,964,791.18 is: 28,931,801.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,367,318.80 : 52,947,612.47 = 20,964,791.18 : x
  2. Step 2: Convert to fraction form
    38,367,318.80/52,947,612.47 = 20,964,791.18/x
  3. Step 3: Cross multiply
    38,367,318.80x = 52,947,612.47 × 20,964,791.18
  4. Step 4: Simplify right side
    38,367,318.80x = 1,110,035,638,820,723.50
  5. Step 5: Solve for x
    x = 1,110,035,638,820,723.50/38,367,318.80
  6. Step 6: Final answer
    x = 28,931,801.17

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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.