Home / 9,690,371.80-13,373,310.32-5,339,457.40

Finding the Fourth Proportional to 9,690,371.80, 13,373,310.32 and 5,339,457.40

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Solution

The fourth proportional to 9,690,371.80, 13,373,310.32 and 5,339,457.40 is: 7,368,780.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,690,371.80 : 13,373,310.32 = 5,339,457.40 : x
  2. Step 2: Convert to fraction form
    9,690,371.80/13,373,310.32 = 5,339,457.40/x
  3. Step 3: Cross multiply
    9,690,371.80x = 13,373,310.32 × 5,339,457.40
  4. Step 4: Simplify right side
    9,690,371.80x = 71,406,220,750,620.38
  5. Step 5: Solve for x
    x = 71,406,220,750,620.38/9,690,371.80
  6. Step 6: Final answer
    x = 7,368,780.29

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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.