Home / 10,109,588-15,164,384.08-3,378,002.72

Finding the Fourth Proportional to 10,109,588, 15,164,384.08 and 3,378,002.72

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Solution

The fourth proportional to 10,109,588, 15,164,384.08 and 3,378,002.72 is: 5,067,004.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,109,588 : 15,164,384.08 = 3,378,002.72 : x
  2. Step 2: Convert to fraction form
    10,109,588/15,164,384.08 = 3,378,002.72/x
  3. Step 3: Cross multiply
    10,109,588x = 15,164,384.08 × 3,378,002.72
  4. Step 4: Simplify right side
    10,109,588x = 51,225,330,669,364.70
  5. Step 5: Solve for x
    x = 51,225,330,669,364.70/10,109,588
  6. Step 6: Final answer
    x = 5,067,004.78

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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.