Home / 20,671,212.30-31,006,818.45-14,506,496.70

Finding the Fourth Proportional to 20,671,212.30, 31,006,818.45 and 14,506,496.70

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Solution

The fourth proportional to 20,671,212.30, 31,006,818.45 and 14,506,496.70 is: 21,759,745.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,671,212.30 : 31,006,818.45 = 14,506,496.70 : x
  2. Step 2: Convert to fraction form
    20,671,212.30/31,006,818.45 = 14,506,496.70/x
  3. Step 3: Cross multiply
    20,671,212.30x = 31,006,818.45 × 14,506,496.70
  4. Step 4: Simplify right side
    20,671,212.30x = 449,800,309,522,424.06
  5. Step 5: Solve for x
    x = 449,800,309,522,424.06/20,671,212.30
  6. Step 6: Final answer
    x = 21,759,745.05

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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.