Home / 15,598,811,512.68-21,524,543,848.49-8,732,584,125.47

Finding the Fourth Proportional to 15,598,811,512.68, 21,524,543,848.49 and 8,732,584,125.47

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Solution

The fourth proportional to 15,598,811,512.68, 21,524,543,848.49 and 8,732,584,125.47 is: 12,049,949,431.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,598,811,512.68 : 21,524,543,848.49 = 8,732,584,125.47 : x
  2. Step 2: Convert to fraction form
    15,598,811,512.68/21,524,543,848.49 = 8,732,584,125.47/x
  3. Step 3: Cross multiply
    15,598,811,512.68x = 21,524,543,848.49 × 8,732,584,125.47
  4. Step 4: Simplify right side
    15,598,811,512.68x = 187,964,889,919,155,437,568
  5. Step 5: Solve for x
    x = 187,964,889,919,155,437,568/15,598,811,512.68
  6. Step 6: Final answer
    x = 12,049,949,431.49

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1.5x scale

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.