Home / 13,512,837.64-20,272,712.90-3,928,216.17

Finding the Fourth Proportional to 13,512,837.64, 20,272,712.90 and 3,928,216.17

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Solution

The fourth proportional to 13,512,837.64, 20,272,712.90 and 3,928,216.17 is: 5,893,329.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,512,837.64 : 20,272,712.90 = 3,928,216.17 : x
  2. Step 2: Convert to fraction form
    13,512,837.64/20,272,712.90 = 3,928,216.17/x
  3. Step 3: Cross multiply
    13,512,837.64x = 20,272,712.90 × 3,928,216.17
  4. Step 4: Simplify right side
    13,512,837.64x = 79,635,598,623,547.58
  5. Step 5: Solve for x
    x = 79,635,598,623,547.58/13,512,837.64
  6. Step 6: Final answer
    x = 5,893,329.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.