Home / 31,065,708.02-42,861,176.67-18,010,361.70

Finding the Fourth Proportional to 31,065,708.02, 42,861,176.67 and 18,010,361.70

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Solution

The fourth proportional to 31,065,708.02, 42,861,176.67 and 18,010,361.70 is: 24,848,791.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,065,708.02 : 42,861,176.67 = 18,010,361.70 : x
  2. Step 2: Convert to fraction form
    31,065,708.02/42,861,176.67 = 18,010,361.70/x
  3. Step 3: Cross multiply
    31,065,708.02x = 42,861,176.67 × 18,010,361.70
  4. Step 4: Simplify right side
    31,065,708.02x = 771,945,294,714,301.50
  5. Step 5: Solve for x
    x = 771,945,294,714,301.50/31,065,708.02
  6. Step 6: Final answer
    x = 24,848,791.29

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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.