Home / 21,944,122.95-30,282,889.05-12,155,197.65

Finding the Fourth Proportional to 21,944,122.95, 30,282,889.05 and 12,155,197.65

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Solution

The fourth proportional to 21,944,122.95, 30,282,889.05 and 12,155,197.65 is: 16,774,172.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,944,122.95 : 30,282,889.05 = 12,155,197.65 : x
  2. Step 2: Convert to fraction form
    21,944,122.95/30,282,889.05 = 12,155,197.65/x
  3. Step 3: Cross multiply
    21,944,122.95x = 30,282,889.05 × 12,155,197.65
  4. Step 4: Simplify right side
    21,944,122.95x = 368,094,501,815,770.75
  5. Step 5: Solve for x
    x = 368,094,501,815,770.75/21,944,122.95
  6. Step 6: Final answer
    x = 16,774,172.41

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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.