Home / 21,657,730.80-32,476,098.60-12,062,924.40

Finding the Fourth Proportional to 21,657,730.80, 32,476,098.60 and 12,062,924.40

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Solution

The fourth proportional to 21,657,730.80, 32,476,098.60 and 12,062,924.40 is: 18,088,539.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,657,730.80 : 32,476,098.60 = 12,062,924.40 : x
  2. Step 2: Convert to fraction form
    21,657,730.80/32,476,098.60 = 12,062,924.40/x
  3. Step 3: Cross multiply
    21,657,730.80x = 32,476,098.60 × 12,062,924.40
  4. Step 4: Simplify right side
    21,657,730.80x = 391,756,722,218,745.88
  5. Step 5: Solve for x
    x = 391,756,722,218,745.88/21,657,730.80
  6. Step 6: Final answer
    x = 18,088,539.65

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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.