Home / 20,119,227.70-30,178,841.55-16,009,417.30

Finding the Fourth Proportional to 20,119,227.70, 30,178,841.55 and 16,009,417.30

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Solution

The fourth proportional to 20,119,227.70, 30,178,841.55 and 16,009,417.30 is: 24,014,125.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,119,227.70 : 30,178,841.55 = 16,009,417.30 : x
  2. Step 2: Convert to fraction form
    20,119,227.70/30,178,841.55 = 16,009,417.30/x
  3. Step 3: Cross multiply
    20,119,227.70x = 30,178,841.55 × 16,009,417.30
  4. Step 4: Simplify right side
    20,119,227.70x = 483,145,668,004,528.88
  5. Step 5: Solve for x
    x = 483,145,668,004,528.88/20,119,227.70
  6. Step 6: Final answer
    x = 24,014,125.95

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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.