Home / 39,953,743.68-55,136,354.76-22,550,822.40

Finding the Fourth Proportional to 39,953,743.68, 55,136,354.76 and 22,550,822.40

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Solution

The fourth proportional to 39,953,743.68, 55,136,354.76 and 22,550,822.40 is: 31,120,241.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,953,743.68 : 55,136,354.76 = 22,550,822.40 : x
  2. Step 2: Convert to fraction form
    39,953,743.68/55,136,354.76 = 22,550,822.40/x
  3. Step 3: Cross multiply
    39,953,743.68x = 55,136,354.76 × 22,550,822.40
  4. Step 4: Simplify right side
    39,953,743.68x = 1,243,370,143,976,154.50
  5. Step 5: Solve for x
    x = 1,243,370,143,976,154.50/39,953,743.68
  6. Step 6: Final answer
    x = 31,120,241.30

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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.