Home / 7,210,280.82-9,939,586.77-5,488,402.26

Finding the Fourth Proportional to 7,210,280.82, 9,939,586.77 and 5,488,402.26

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Solution

The fourth proportional to 7,210,280.82, 9,939,586.77 and 5,488,402.26 is: 7,565,925.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210,280.82 : 9,939,586.77 = 5,488,402.26 : x
  2. Step 2: Convert to fraction form
    7,210,280.82/9,939,586.77 = 5,488,402.26/x
  3. Step 3: Cross multiply
    7,210,280.82x = 9,939,586.77 × 5,488,402.26
  4. Step 4: Simplify right side
    7,210,280.82x = 54,552,450,491,934.09
  5. Step 5: Solve for x
    x = 54,552,450,491,934.09/7,210,280.82
  6. Step 6: Final answer
    x = 7,565,925.91

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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.