Home / 21,521,206.20-32,281,809.30-8,057,321.40

Finding the Fourth Proportional to 21,521,206.20, 32,281,809.30 and 8,057,321.40

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Solution

The fourth proportional to 21,521,206.20, 32,281,809.30 and 8,057,321.40 is: 12,085,982.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,521,206.20 : 32,281,809.30 = 8,057,321.40 : x
  2. Step 2: Convert to fraction form
    21,521,206.20/32,281,809.30 = 8,057,321.40/x
  3. Step 3: Cross multiply
    21,521,206.20x = 32,281,809.30 × 8,057,321.40
  4. Step 4: Simplify right side
    21,521,206.20x = 260,104,912,903,609.03
  5. Step 5: Solve for x
    x = 260,104,912,903,609.03/21,521,206.20
  6. Step 6: Final answer
    x = 12,085,982.10

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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.