Home / 33,221,645.40-49,832,468.10-21,742,519.80

Finding the Fourth Proportional to 33,221,645.40, 49,832,468.10 and 21,742,519.80

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Solution

The fourth proportional to 33,221,645.40, 49,832,468.10 and 21,742,519.80 is: 32,613,779.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,221,645.40 : 49,832,468.10 = 21,742,519.80 : x
  2. Step 2: Convert to fraction form
    33,221,645.40/49,832,468.10 = 21,742,519.80/x
  3. Step 3: Cross multiply
    33,221,645.40x = 49,832,468.10 × 21,742,519.80
  4. Step 4: Simplify right side
    33,221,645.40x = 1,083,483,424,347,118.50
  5. Step 5: Solve for x
    x = 1,083,483,424,347,118.50/33,221,645.40
  6. Step 6: Final answer
    x = 32,613,779.70

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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.