Home / 21,851,606.28-30,155,222.68-12,062,056.80

Finding the Fourth Proportional to 21,851,606.28, 30,155,222.68 and 12,062,056.80

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Solution

The fourth proportional to 21,851,606.28, 30,155,222.68 and 12,062,056.80 is: 16,645,641.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,851,606.28 : 30,155,222.68 = 12,062,056.80 : x
  2. Step 2: Convert to fraction form
    21,851,606.28/30,155,222.68 = 12,062,056.80/x
  3. Step 3: Cross multiply
    21,851,606.28x = 30,155,222.68 × 12,062,056.80
  4. Step 4: Simplify right side
    21,851,606.28x = 363,734,008,782,808.25
  5. Step 5: Solve for x
    x = 363,734,008,782,808.25/21,851,606.28
  6. Step 6: Final answer
    x = 16,645,641.70

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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.