Home / 10,921,498.70-16,382,248.05-7,328,986.70

Finding the Fourth Proportional to 10,921,498.70, 16,382,248.05 and 7,328,986.70

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Solution

The fourth proportional to 10,921,498.70, 16,382,248.05 and 7,328,986.70 is: 10,993,480.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921,498.70 : 16,382,248.05 = 7,328,986.70 : x
  2. Step 2: Convert to fraction form
    10,921,498.70/16,382,248.05 = 7,328,986.70/x
  3. Step 3: Cross multiply
    10,921,498.70x = 16,382,248.05 × 7,328,986.70
  4. Step 4: Simplify right side
    10,921,498.70x = 120,065,278,074,550.94
  5. Step 5: Solve for x
    x = 120,065,278,074,550.94/10,921,498.70
  6. Step 6: Final answer
    x = 10,993,480.05

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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.