Home / 21,094,049.95-29,114,342.07-12,836,772.69

Finding the Fourth Proportional to 21,094,049.95, 29,114,342.07 and 12,836,772.69

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Solution

The fourth proportional to 21,094,049.95, 29,114,342.07 and 12,836,772.69 is: 17,717,517.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,094,049.95 : 29,114,342.07 = 12,836,772.69 : x
  2. Step 2: Convert to fraction form
    21,094,049.95/29,114,342.07 = 12,836,772.69/x
  3. Step 3: Cross multiply
    21,094,049.95x = 29,114,342.07 × 12,836,772.69
  4. Step 4: Simplify right side
    21,094,049.95x = 373,734,191,171,494.06
  5. Step 5: Solve for x
    x = 373,734,191,171,494.06/21,094,049.95
  6. Step 6: Final answer
    x = 17,717,517.12

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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.