Home / 7,237,909.31-9,987,925.12-4,140,494.01

Finding the Fourth Proportional to 7,237,909.31, 9,987,925.12 and 4,140,494.01

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Solution

The fourth proportional to 7,237,909.31, 9,987,925.12 and 4,140,494.01 is: 5,713,658.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,237,909.31 : 9,987,925.12 = 4,140,494.01 : x
  2. Step 2: Convert to fraction form
    7,237,909.31/9,987,925.12 = 4,140,494.01/x
  3. Step 3: Cross multiply
    7,237,909.31x = 9,987,925.12 × 4,140,494.01
  4. Step 4: Simplify right side
    7,237,909.31x = 41,354,944,121,337.29
  5. Step 5: Solve for x
    x = 41,354,944,121,337.29/7,237,909.31
  6. Step 6: Final answer
    x = 5,713,658.79

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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.