Home / 21,248,510.70-31,872,766.05-16,996,982.70

Finding the Fourth Proportional to 21,248,510.70, 31,872,766.05 and 16,996,982.70

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Solution

The fourth proportional to 21,248,510.70, 31,872,766.05 and 16,996,982.70 is: 25,495,474.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,248,510.70 : 31,872,766.05 = 16,996,982.70 : x
  2. Step 2: Convert to fraction form
    21,248,510.70/31,872,766.05 = 16,996,982.70/x
  3. Step 3: Cross multiply
    21,248,510.70x = 31,872,766.05 × 16,996,982.70
  4. Step 4: Simplify right side
    21,248,510.70x = 541,740,853,152,997.31
  5. Step 5: Solve for x
    x = 541,740,853,152,997.31/21,248,510.70
  6. Step 6: Final answer
    x = 25,495,474.05

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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.