Home / 20,134,101.90-30,165,723.45-16,520,303.10

Finding the Fourth Proportional to 20,134,101.90, 30,165,723.45 and 16,520,303.10

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Solution

The fourth proportional to 20,134,101.90, 30,165,723.45 and 16,520,303.10 is: 24,751,384.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,134,101.90 : 30,165,723.45 = 16,520,303.10 : x
  2. Step 2: Convert to fraction form
    20,134,101.90/30,165,723.45 = 16,520,303.10/x
  3. Step 3: Cross multiply
    20,134,101.90x = 30,165,723.45 × 16,520,303.10
  4. Step 4: Simplify right side
    20,134,101.90x = 498,346,894,624,777.69
  5. Step 5: Solve for x
    x = 498,346,894,624,777.69/20,134,101.90
  6. Step 6: Final answer
    x = 24,751,384.35

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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.