Home / 10,991,849.38-15,168,459.46-6,345,477.60

Finding the Fourth Proportional to 10,991,849.38, 15,168,459.46 and 6,345,477.60

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Solution

The fourth proportional to 10,991,849.38, 15,168,459.46 and 6,345,477.60 is: 8,756,590.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,991,849.38 : 15,168,459.46 = 6,345,477.60 : x
  2. Step 2: Convert to fraction form
    10,991,849.38/15,168,459.46 = 6,345,477.60/x
  3. Step 3: Cross multiply
    10,991,849.38x = 15,168,459.46 × 6,345,477.60
  4. Step 4: Simplify right side
    10,991,849.38x = 96,251,119,729,938.09
  5. Step 5: Solve for x
    x = 96,251,119,729,938.09/10,991,849.38
  6. Step 6: Final answer
    x = 8,756,590.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.