Home / 31,050,202.43-42,849,447.98-17,818,325.78

Finding the Fourth Proportional to 31,050,202.43, 42,849,447.98 and 17,818,325.78

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Solution

The fourth proportional to 31,050,202.43, 42,849,447.98 and 17,818,325.78 is: 24,589,386.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,050,202.43 : 42,849,447.98 = 17,818,325.78 : x
  2. Step 2: Convert to fraction form
    31,050,202.43/42,849,447.98 = 17,818,325.78/x
  3. Step 3: Cross multiply
    31,050,202.43x = 42,849,447.98 × 17,818,325.78
  4. Step 4: Simplify right side
    31,050,202.43x = 763,505,423,600,802.88
  5. Step 5: Solve for x
    x = 763,505,423,600,802.88/31,050,202.43
  6. Step 6: Final answer
    x = 24,589,386.34

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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.