Home / 9,989,562.74-13,785,596.13-5,405,884.24

Finding the Fourth Proportional to 9,989,562.74, 13,785,596.13 and 5,405,884.24

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Solution

The fourth proportional to 9,989,562.74, 13,785,596.13 and 5,405,884.24 is: 7,460,120.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,989,562.74 : 13,785,596.13 = 5,405,884.24 : x
  2. Step 2: Convert to fraction form
    9,989,562.74/13,785,596.13 = 5,405,884.24/x
  3. Step 3: Cross multiply
    9,989,562.74x = 13,785,596.13 × 5,405,884.24
  4. Step 4: Simplify right side
    9,989,562.74x = 74,523,336,858,172
  5. Step 5: Solve for x
    x = 74,523,336,858,172/9,989,562.74
  6. Step 6: Final answer
    x = 7,460,120.01

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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.