Home / 22,145,430.40-33,218,145.60-12,420,060.10

Finding the Fourth Proportional to 22,145,430.40, 33,218,145.60 and 12,420,060.10

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Solution

The fourth proportional to 22,145,430.40, 33,218,145.60 and 12,420,060.10 is: 18,630,090.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,145,430.40 : 33,218,145.60 = 12,420,060.10 : x
  2. Step 2: Convert to fraction form
    22,145,430.40/33,218,145.60 = 12,420,060.10/x
  3. Step 3: Cross multiply
    22,145,430.40x = 33,218,145.60 × 12,420,060.10
  4. Step 4: Simplify right side
    22,145,430.40x = 412,571,364,762,550.56
  5. Step 5: Solve for x
    x = 412,571,364,762,550.56/22,145,430.40
  6. Step 6: Final answer
    x = 18,630,090.15

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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.