Home / 38,288,934.96-52,838,894.52-20,885,659.44

Finding the Fourth Proportional to 38,288,934.96, 52,838,894.52 and 20,885,659.44

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Solution

The fourth proportional to 38,288,934.96, 52,838,894.52 and 20,885,659.44 is: 28,822,299.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,288,934.96 : 52,838,894.52 = 20,885,659.44 : x
  2. Step 2: Convert to fraction form
    38,288,934.96/52,838,894.52 = 20,885,659.44/x
  3. Step 3: Cross multiply
    38,288,934.96x = 52,838,894.52 × 20,885,659.44
  4. Step 4: Simplify right side
    38,288,934.96x = 1,103,575,156,130,802.38
  5. Step 5: Solve for x
    x = 1,103,575,156,130,802.38/38,288,934.96
  6. Step 6: Final answer
    x = 28,822,299.64

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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.