Home / 13,486,579.70-20,229,869.55-9,376,769.30

Finding the Fourth Proportional to 13,486,579.70, 20,229,869.55 and 9,376,769.30

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Solution

The fourth proportional to 13,486,579.70, 20,229,869.55 and 9,376,769.30 is: 14,065,153.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486,579.70 : 20,229,869.55 = 9,376,769.30 : x
  2. Step 2: Convert to fraction form
    13,486,579.70/20,229,869.55 = 9,376,769.30/x
  3. Step 3: Cross multiply
    13,486,579.70x = 20,229,869.55 × 9,376,769.30
  4. Step 4: Simplify right side
    13,486,579.70x = 189,690,819,739,444.84
  5. Step 5: Solve for x
    x = 189,690,819,739,444.84/13,486,579.70
  6. Step 6: Final answer
    x = 14,065,153.95

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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.