Home / 9,989,562.62-13,785,595.96-5,405,884.12

Finding the Fourth Proportional to 9,989,562.62, 13,785,595.96 and 5,405,884.12

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Solution

The fourth proportional to 9,989,562.62, 13,785,595.96 and 5,405,884.12 is: 7,460,119.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,989,562.62 : 13,785,595.96 = 5,405,884.12 : x
  2. Step 2: Convert to fraction form
    9,989,562.62/13,785,595.96 = 5,405,884.12/x
  3. Step 3: Cross multiply
    9,989,562.62x = 13,785,595.96 × 5,405,884.12
  4. Step 4: Simplify right side
    9,989,562.62x = 74,523,334,202,457.47
  5. Step 5: Solve for x
    x = 74,523,334,202,457.47/9,989,562.62
  6. Step 6: Final answer
    x = 7,460,119.83

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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.