Home / 10,871,666.88-16,272,014.70-7,992,271.17

Finding the Fourth Proportional to 10,871,666.88, 16,272,014.70 and 7,992,271.17

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Solution

The fourth proportional to 10,871,666.88, 16,272,014.70 and 7,992,271.17 is: 11,962,319.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,871,666.88 : 16,272,014.70 = 7,992,271.17 : x
  2. Step 2: Convert to fraction form
    10,871,666.88/16,272,014.70 = 7,992,271.17/x
  3. Step 3: Cross multiply
    10,871,666.88x = 16,272,014.70 × 7,992,271.17
  4. Step 4: Simplify right side
    10,871,666.88x = 130,050,353,964,626.19
  5. Step 5: Solve for x
    x = 130,050,353,964,626.19/10,871,666.88
  6. Step 6: Final answer
    x = 11,962,319.61

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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.