Home / 10,918,948.80-16,379,200.80-3,345,902.40

Finding the Fourth Proportional to 10,918,948.80, 16,379,200.80 and 3,345,902.40

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Solution

The fourth proportional to 10,918,948.80, 16,379,200.80 and 3,345,902.40 is: 5,019,091.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,918,948.80 : 16,379,200.80 = 3,345,902.40 : x
  2. Step 2: Convert to fraction form
    10,918,948.80/16,379,200.80 = 3,345,902.40/x
  3. Step 3: Cross multiply
    10,918,948.80x = 16,379,200.80 × 3,345,902.40
  4. Step 4: Simplify right side
    10,918,948.80x = 54,803,207,266,801.92
  5. Step 5: Solve for x
    x = 54,803,207,266,801.92/10,918,948.80
  6. Step 6: Final answer
    x = 5,019,091.88

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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.