Home / 13,921,281.20-20,882,916.48-5,826,105.56

Finding the Fourth Proportional to 13,921,281.20, 20,882,916.48 and 5,826,105.56

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Solution

The fourth proportional to 13,921,281.20, 20,882,916.48 and 5,826,105.56 is: 8,739,574.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,921,281.20 : 20,882,916.48 = 5,826,105.56 : x
  2. Step 2: Convert to fraction form
    13,921,281.20/20,882,916.48 = 5,826,105.56/x
  3. Step 3: Cross multiply
    13,921,281.20x = 20,882,916.48 × 5,826,105.56
  4. Step 4: Simplify right side
    13,921,281.20x = 121,666,075,813,143.62
  5. Step 5: Solve for x
    x = 121,666,075,813,143.62/13,921,281.20
  6. Step 6: Final answer
    x = 8,739,574.62

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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.