Home / 10,871,674.86-16,272,026.66-7,992,279.20

Finding the Fourth Proportional to 10,871,674.86, 16,272,026.66 and 7,992,279.20

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Solution

The fourth proportional to 10,871,674.86, 16,272,026.66 and 7,992,279.20 is: 11,962,331.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,871,674.86 : 16,272,026.66 = 7,992,279.20 : x
  2. Step 2: Convert to fraction form
    10,871,674.86/16,272,026.66 = 7,992,279.20/x
  3. Step 3: Cross multiply
    10,871,674.86x = 16,272,026.66 × 7,992,279.20
  4. Step 4: Simplify right side
    10,871,674.86x = 130,050,580,216,563.47
  5. Step 5: Solve for x
    x = 130,050,580,216,563.47/10,871,674.86
  6. Step 6: Final answer
    x = 11,962,331.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.