Home / 38,311,924.80-52,869,718.47-20,908,394.58

Finding the Fourth Proportional to 38,311,924.80, 52,869,718.47 and 20,908,394.58

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Solution

The fourth proportional to 38,311,924.80, 52,869,718.47 and 20,908,394.58 is: 28,853,181.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,311,924.80 : 52,869,718.47 = 20,908,394.58 : x
  2. Step 2: Convert to fraction form
    38,311,924.80/52,869,718.47 = 20,908,394.58/x
  3. Step 3: Cross multiply
    38,311,924.80x = 52,869,718.47 × 20,908,394.58
  4. Step 4: Simplify right side
    38,311,924.80x = 1,105,420,935,083,549.75
  5. Step 5: Solve for x
    x = 1,105,420,935,083,549.75/38,311,924.80
  6. Step 6: Final answer
    x = 28,853,181.90

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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.