Home / 10,976,178.16-16,455,475.50-5,216,021.11

Finding the Fourth Proportional to 10,976,178.16, 16,455,475.50 and 5,216,021.11

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Solution

The fourth proportional to 10,976,178.16, 16,455,475.50 and 5,216,021.11 is: 7,819,853.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,976,178.16 : 16,455,475.50 = 5,216,021.11 : x
  2. Step 2: Convert to fraction form
    10,976,178.16/16,455,475.50 = 5,216,021.11/x
  3. Step 3: Cross multiply
    10,976,178.16x = 16,455,475.50 × 5,216,021.11
  4. Step 4: Simplify right side
    10,976,178.16x = 85,832,107,583,087.81
  5. Step 5: Solve for x
    x = 85,832,107,583,087.81/10,976,178.16
  6. Step 6: Final answer
    x = 7,819,853.72

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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.