Home / 31,272,598.80-43,156,111.89-17,143,760.39

Finding the Fourth Proportional to 31,272,598.80, 43,156,111.89 and 17,143,760.39

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Solution

The fourth proportional to 31,272,598.80, 43,156,111.89 and 17,143,760.39 is: 23,658,348.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,272,598.80 : 43,156,111.89 = 17,143,760.39 : x
  2. Step 2: Convert to fraction form
    31,272,598.80/43,156,111.89 = 17,143,760.39/x
  3. Step 3: Cross multiply
    31,272,598.80x = 43,156,111.89 × 17,143,760.39
  4. Step 4: Simplify right side
    31,272,598.80x = 739,858,041,390,409.50
  5. Step 5: Solve for x
    x = 739,858,041,390,409.50/31,272,598.80
  6. Step 6: Final answer
    x = 23,658,348.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.