Home / 20,148,204.06-30,219,353.40-9,910,315.83

Finding the Fourth Proportional to 20,148,204.06, 30,219,353.40 and 9,910,315.83

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Solution

The fourth proportional to 20,148,204.06, 30,219,353.40 and 9,910,315.83 is: 14,864,021.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,148,204.06 : 30,219,353.40 = 9,910,315.83 : x
  2. Step 2: Convert to fraction form
    20,148,204.06/30,219,353.40 = 9,910,315.83/x
  3. Step 3: Cross multiply
    20,148,204.06x = 30,219,353.40 × 9,910,315.83
  4. Step 4: Simplify right side
    20,148,204.06x = 299,483,336,372,384.31
  5. Step 5: Solve for x
    x = 299,483,336,372,384.31/20,148,204.06
  6. Step 6: Final answer
    x = 14,864,021.40

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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.