Home / 20,281,090.28-30,400,377.78-7,493,438.84

Finding the Fourth Proportional to 20,281,090.28, 30,400,377.78 and 7,493,438.84

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Solution

The fourth proportional to 20,281,090.28, 30,400,377.78 and 7,493,438.84 is: 11,232,304.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,281,090.28 : 30,400,377.78 = 7,493,438.84 : x
  2. Step 2: Convert to fraction form
    20,281,090.28/30,400,377.78 = 7,493,438.84/x
  3. Step 3: Cross multiply
    20,281,090.28x = 30,400,377.78 × 7,493,438.84
  4. Step 4: Simplify right side
    20,281,090.28x = 227,803,371,633,354.06
  5. Step 5: Solve for x
    x = 227,803,371,633,354.06/20,281,090.28
  6. Step 6: Final answer
    x = 11,232,304.01

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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.