Home / 39,893,685.88-55,055,753.67-22,011,818.86

Finding the Fourth Proportional to 39,893,685.88, 55,055,753.67 and 22,011,818.86

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Solution

The fourth proportional to 39,893,685.88, 55,055,753.67 and 22,011,818.86 is: 30,377,671.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,893,685.88 : 55,055,753.67 = 22,011,818.86 : x
  2. Step 2: Convert to fraction form
    39,893,685.88/55,055,753.67 = 22,011,818.86/x
  3. Step 3: Cross multiply
    39,893,685.88x = 55,055,753.67 × 22,011,818.86
  4. Step 4: Simplify right side
    39,893,685.88x = 1,211,877,276,984,820.25
  5. Step 5: Solve for x
    x = 1,211,877,276,984,820.25/39,893,685.88
  6. Step 6: Final answer
    x = 30,377,671.31

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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.