Home / 38,884,170.72-53,660,604.24-21,480,151.44

Finding the Fourth Proportional to 38,884,170.72, 53,660,604.24 and 21,480,151.44

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Solution

The fourth proportional to 38,884,170.72, 53,660,604.24 and 21,480,151.44 is: 29,642,856.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,884,170.72 : 53,660,604.24 = 21,480,151.44 : x
  2. Step 2: Convert to fraction form
    38,884,170.72/53,660,604.24 = 21,480,151.44/x
  3. Step 3: Cross multiply
    38,884,170.72x = 53,660,604.24 × 21,480,151.44
  4. Step 4: Simplify right side
    38,884,170.72x = 1,152,637,905,437,106.25
  5. Step 5: Solve for x
    x = 1,152,637,905,437,106.25/38,884,170.72
  6. Step 6: Final answer
    x = 29,642,856.83

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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.