Home / 10,921,501.70-16,382,252.55-7,328,989.70

Finding the Fourth Proportional to 10,921,501.70, 16,382,252.55 and 7,328,989.70

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Solution

The fourth proportional to 10,921,501.70, 16,382,252.55 and 7,328,989.70 is: 10,993,484.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921,501.70 : 16,382,252.55 = 7,328,989.70 : x
  2. Step 2: Convert to fraction form
    10,921,501.70/16,382,252.55 = 7,328,989.70/x
  3. Step 3: Cross multiply
    10,921,501.70x = 16,382,252.55 × 7,328,989.70
  4. Step 4: Simplify right side
    10,921,501.70x = 120,065,360,201,748.75
  5. Step 5: Solve for x
    x = 120,065,360,201,748.75/10,921,501.70
  6. Step 6: Final answer
    x = 10,993,484.55

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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.