Home / 31,100,476.50-42,913,343.16-18,044,742.60

Finding the Fourth Proportional to 31,100,476.50, 42,913,343.16 and 18,044,742.60

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Solution

The fourth proportional to 31,100,476.50, 42,913,343.16 and 18,044,742.60 is: 24,898,661.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,100,476.50 : 42,913,343.16 = 18,044,742.60 : x
  2. Step 2: Convert to fraction form
    31,100,476.50/42,913,343.16 = 18,044,742.60/x
  3. Step 3: Cross multiply
    31,100,476.50x = 42,913,343.16 × 18,044,742.60
  4. Step 4: Simplify right side
    31,100,476.50x = 774,360,231,427,670.62
  5. Step 5: Solve for x
    x = 774,360,231,427,670.62/31,100,476.50
  6. Step 6: Final answer
    x = 24,898,661.33

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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.