Home / 7,008,429.12-9,671,646.24-3,789,165.12

Finding the Fourth Proportional to 7,008,429.12, 9,671,646.24 and 3,789,165.12

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Solution

The fourth proportional to 7,008,429.12, 9,671,646.24 and 3,789,165.12 is: 5,229,055.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008,429.12 : 9,671,646.24 = 3,789,165.12 : x
  2. Step 2: Convert to fraction form
    7,008,429.12/9,671,646.24 = 3,789,165.12/x
  3. Step 3: Cross multiply
    7,008,429.12x = 9,671,646.24 × 3,789,165.12
  4. Step 4: Simplify right side
    7,008,429.12x = 36,647,464,585,587.15
  5. Step 5: Solve for x
    x = 36,647,464,585,587.15/7,008,429.12
  6. Step 6: Final answer
    x = 5,229,055.46

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Double scale
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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.