Home / 22,421,520.50-30,941,697.74-12,108,242.68

Finding the Fourth Proportional to 22,421,520.50, 30,941,697.74 and 12,108,242.68

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Solution

The fourth proportional to 22,421,520.50, 30,941,697.74 and 12,108,242.68 is: 16,709,374.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,421,520.50 : 30,941,697.74 = 12,108,242.68 : x
  2. Step 2: Convert to fraction form
    22,421,520.50/30,941,697.74 = 12,108,242.68/x
  3. Step 3: Cross multiply
    22,421,520.50x = 30,941,697.74 × 12,108,242.68
  4. Step 4: Simplify right side
    22,421,520.50x = 374,649,585,029,232.06
  5. Step 5: Solve for x
    x = 374,649,585,029,232.06/22,421,520.50
  6. Step 6: Final answer
    x = 16,709,374.60

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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.