Home / 12,480,930.20-18,693,401.70-10,241,442.20

Finding the Fourth Proportional to 12,480,930.20, 18,693,401.70 and 10,241,442.20

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Solution

The fourth proportional to 12,480,930.20, 18,693,401.70 and 10,241,442.20 is: 15,339,192.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,480,930.20 : 18,693,401.70 = 10,241,442.20 : x
  2. Step 2: Convert to fraction form
    12,480,930.20/18,693,401.70 = 10,241,442.20/x
  3. Step 3: Cross multiply
    12,480,930.20x = 18,693,401.70 × 10,241,442.20
  4. Step 4: Simplify right side
    12,480,930.20x = 191,447,393,031,931.72
  5. Step 5: Solve for x
    x = 191,447,393,031,931.72/12,480,930.20
  6. Step 6: Final answer
    x = 15,339,192.67

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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.