Home / 37,239,272.12-51,384,139.86-20,718,972.20

Finding the Fourth Proportional to 37,239,272.12, 51,384,139.86 and 20,718,972.20

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Solution

The fourth proportional to 37,239,272.12, 51,384,139.86 and 20,718,972.20 is: 28,588,812.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,239,272.12 : 51,384,139.86 = 20,718,972.20 : x
  2. Step 2: Convert to fraction form
    37,239,272.12/51,384,139.86 = 20,718,972.20/x
  3. Step 3: Cross multiply
    37,239,272.12x = 51,384,139.86 × 20,718,972.20
  4. Step 4: Simplify right side
    37,239,272.12x = 1,064,626,565,280,251.88
  5. Step 5: Solve for x
    x = 1,064,626,565,280,251.88/37,239,272.12
  6. Step 6: Final answer
    x = 28,588,812.42

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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.