Home / 18,488,477.49-27,742,388.45-7,566,774.45

Finding the Fourth Proportional to 18,488,477.49, 27,742,388.45 and 7,566,774.45

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Solution

The fourth proportional to 18,488,477.49, 27,742,388.45 and 7,566,774.45 is: 11,354,120.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,488,477.49 : 27,742,388.45 = 7,566,774.45 : x
  2. Step 2: Convert to fraction form
    18,488,477.49/27,742,388.45 = 7,566,774.45/x
  3. Step 3: Cross multiply
    18,488,477.49x = 27,742,388.45 × 7,566,774.45
  4. Step 4: Simplify right side
    18,488,477.49x = 209,920,396,067,601.25
  5. Step 5: Solve for x
    x = 209,920,396,067,601.25/18,488,477.49
  6. Step 6: Final answer
    x = 11,354,120.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.