Home / 31,030,951.65-42,822,712.94-17,985,777.30

Finding the Fourth Proportional to 31,030,951.65, 42,822,712.94 and 17,985,777.30

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Solution

The fourth proportional to 31,030,951.65, 42,822,712.94 and 17,985,777.30 is: 24,820,372.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,030,951.65 : 42,822,712.94 = 17,985,777.30 : x
  2. Step 2: Convert to fraction form
    31,030,951.65/42,822,712.94 = 17,985,777.30/x
  3. Step 3: Cross multiply
    31,030,951.65x = 42,822,712.94 × 17,985,777.30
  4. Step 4: Simplify right side
    31,030,951.65x = 770,199,778,230,739.50
  5. Step 5: Solve for x
    x = 770,199,778,230,739.50/31,030,951.65
  6. Step 6: Final answer
    x = 24,820,372.48

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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.