Home / 15,998,415-22,077,655.31-8,656,086.98

Finding the Fourth Proportional to 15,998,415, 22,077,655.31 and 8,656,086.98

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Solution

The fourth proportional to 15,998,415, 22,077,655.31 and 8,656,086.98 is: 11,945,314.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,998,415 : 22,077,655.31 = 8,656,086.98 : x
  2. Step 2: Convert to fraction form
    15,998,415/22,077,655.31 = 8,656,086.98/x
  3. Step 3: Cross multiply
    15,998,415x = 22,077,655.31 × 8,656,086.98
  4. Step 4: Simplify right side
    15,998,415x = 191,106,104,524,150.16
  5. Step 5: Solve for x
    x = 191,106,104,524,150.16/15,998,415
  6. Step 6: Final answer
    x = 11,945,314.87

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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.