Home / 13,612,076.10-20,418,114.15-5,528,924.10

Finding the Fourth Proportional to 13,612,076.10, 20,418,114.15 and 5,528,924.10

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Solution

The fourth proportional to 13,612,076.10, 20,418,114.15 and 5,528,924.10 is: 8,293,386.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,612,076.10 : 20,418,114.15 = 5,528,924.10 : x
  2. Step 2: Convert to fraction form
    13,612,076.10/20,418,114.15 = 5,528,924.10/x
  3. Step 3: Cross multiply
    13,612,076.10x = 20,418,114.15 × 5,528,924.10
  4. Step 4: Simplify right side
    13,612,076.10x = 112,890,203,400,486
  5. Step 5: Solve for x
    x = 112,890,203,400,486/13,612,076.10
  6. Step 6: Final answer
    x = 8,293,386.15

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1.5x scale

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.