Home / 21,173,270.10-31,759,905.15-21,013,837.80

Finding the Fourth Proportional to 21,173,270.10, 31,759,905.15 and 21,013,837.80

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Solution

The fourth proportional to 21,173,270.10, 31,759,905.15 and 21,013,837.80 is: 31,520,756.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,173,270.10 : 31,759,905.15 = 21,013,837.80 : x
  2. Step 2: Convert to fraction form
    21,173,270.10/31,759,905.15 = 21,013,837.80/x
  3. Step 3: Cross multiply
    21,173,270.10x = 31,759,905.15 × 21,013,837.80
  4. Step 4: Simplify right side
    21,173,270.10x = 667,397,495,365,484.62
  5. Step 5: Solve for x
    x = 667,397,495,365,484.62/21,173,270.10
  6. Step 6: Final answer
    x = 31,520,756.70

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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.