Home / 38,715,871.78-53,428,576.22-22,198,685.50

Finding the Fourth Proportional to 38,715,871.78, 53,428,576.22 and 22,198,685.50

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Solution

The fourth proportional to 38,715,871.78, 53,428,576.22 and 22,198,685.50 is: 30,634,571.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,715,871.78 : 53,428,576.22 = 22,198,685.50 : x
  2. Step 2: Convert to fraction form
    38,715,871.78/53,428,576.22 = 22,198,685.50/x
  3. Step 3: Cross multiply
    38,715,871.78x = 53,428,576.22 × 22,198,685.50
  4. Step 4: Simplify right side
    38,715,871.78x = 1,186,044,160,220,558.75
  5. Step 5: Solve for x
    x = 1,186,044,160,220,558.75/38,715,871.78
  6. Step 6: Final answer
    x = 30,634,571.96

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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.