Home / 21,894,707.20-32,847,416.50-15,430,395.28

Finding the Fourth Proportional to 21,894,707.20, 32,847,416.50 and 15,430,395.28

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Solution

The fourth proportional to 21,894,707.20, 32,847,416.50 and 15,430,395.28 is: 23,149,367.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,894,707.20 : 32,847,416.50 = 15,430,395.28 : x
  2. Step 2: Convert to fraction form
    21,894,707.20/32,847,416.50 = 15,430,395.28/x
  3. Step 3: Cross multiply
    21,894,707.20x = 32,847,416.50 × 15,430,395.28
  4. Step 4: Simplify right side
    21,894,707.20x = 506,848,620,521,794.12
  5. Step 5: Solve for x
    x = 506,848,620,521,794.12/21,894,707.20
  6. Step 6: Final answer
    x = 23,149,367.37

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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.