Home / 8,438,571.54-11,644,988.76-4,953,854.34

Finding the Fourth Proportional to 8,438,571.54, 11,644,988.76 and 4,953,854.34

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Solution

The fourth proportional to 8,438,571.54, 11,644,988.76 and 4,953,854.34 is: 6,836,178.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,438,571.54 : 11,644,988.76 = 4,953,854.34 : x
  2. Step 2: Convert to fraction form
    8,438,571.54/11,644,988.76 = 4,953,854.34/x
  3. Step 3: Cross multiply
    8,438,571.54x = 11,644,988.76 × 4,953,854.34
  4. Step 4: Simplify right side
    8,438,571.54x = 57,687,578,107,977.22
  5. Step 5: Solve for x
    x = 57,687,578,107,977.22/8,438,571.54
  6. Step 6: Final answer
    x = 6,836,178.12

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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.