Home / 38,385,953.34-52,972,611.57-20,982,367.86

Finding the Fourth Proportional to 38,385,953.34, 52,972,611.57 and 20,982,367.86

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Solution

The fourth proportional to 38,385,953.34, 52,972,611.57 and 20,982,367.86 is: 28,955,665.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,385,953.34 : 52,972,611.57 = 20,982,367.86 : x
  2. Step 2: Convert to fraction form
    38,385,953.34/52,972,611.57 = 20,982,367.86/x
  3. Step 3: Cross multiply
    38,385,953.34x = 52,972,611.57 × 20,982,367.86
  4. Step 4: Simplify right side
    38,385,953.34x = 1,111,490,822,466,632.12
  5. Step 5: Solve for x
    x = 1,111,490,822,466,632.12/38,385,953.34
  6. Step 6: Final answer
    x = 28,955,665.44

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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.