Home / 7,210,281.82-9,939,588.15-5,488,403.26

Finding the Fourth Proportional to 7,210,281.82, 9,939,588.15 and 5,488,403.26

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Solution

The fourth proportional to 7,210,281.82, 9,939,588.15 and 5,488,403.26 is: 7,565,927.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210,281.82 : 9,939,588.15 = 5,488,403.26 : x
  2. Step 2: Convert to fraction form
    7,210,281.82/9,939,588.15 = 5,488,403.26/x
  3. Step 3: Cross multiply
    7,210,281.82x = 9,939,588.15 × 5,488,403.26
  4. Step 4: Simplify right side
    7,210,281.82x = 54,552,468,005,517.37
  5. Step 5: Solve for x
    x = 54,552,468,005,517.37/7,210,281.82
  6. Step 6: Final answer
    x = 7,565,927.29

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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.