Home / 21,927,271.20-32,890,906.80-15,124,826.40

Finding the Fourth Proportional to 21,927,271.20, 32,890,906.80 and 15,124,826.40

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Solution

The fourth proportional to 21,927,271.20, 32,890,906.80 and 15,124,826.40 is: 22,687,239.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,927,271.20 : 32,890,906.80 = 15,124,826.40 : x
  2. Step 2: Convert to fraction form
    21,927,271.20/32,890,906.80 = 15,124,826.40/x
  3. Step 3: Cross multiply
    21,927,271.20x = 32,890,906.80 × 15,124,826.40
  4. Step 4: Simplify right side
    21,927,271.20x = 497,469,255,488,579.56
  5. Step 5: Solve for x
    x = 497,469,255,488,579.56/21,927,271.20
  6. Step 6: Final answer
    x = 22,687,239.60

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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.