Home / 27,771,066.50-38,321,154.20-15,380,835.30

Finding the Fourth Proportional to 27,771,066.50, 38,321,154.20 and 15,380,835.30

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Solution

The fourth proportional to 27,771,066.50, 38,321,154.20 and 15,380,835.30 is: 21,223,936.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,771,066.50 : 38,321,154.20 = 15,380,835.30 : x
  2. Step 2: Convert to fraction form
    27,771,066.50/38,321,154.20 = 15,380,835.30/x
  3. Step 3: Cross multiply
    27,771,066.50x = 38,321,154.20 × 15,380,835.30
  4. Step 4: Simplify right side
    27,771,066.50x = 589,411,361,179,199.12
  5. Step 5: Solve for x
    x = 589,411,361,179,199.12/27,771,066.50
  6. Step 6: Final answer
    x = 21,223,936.84

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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.