Home / 7,715,239.34-11,550,156.58-5,150,091.78

Finding the Fourth Proportional to 7,715,239.34, 11,550,156.58 and 5,150,091.78

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Solution

The fourth proportional to 7,715,239.34, 11,550,156.58 and 5,150,091.78 is: 7,709,983.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,715,239.34 : 11,550,156.58 = 5,150,091.78 : x
  2. Step 2: Convert to fraction form
    7,715,239.34/11,550,156.58 = 5,150,091.78/x
  3. Step 3: Cross multiply
    7,715,239.34x = 11,550,156.58 × 5,150,091.78
  4. Step 4: Simplify right side
    7,715,239.34x = 59,484,366,460,370.91
  5. Step 5: Solve for x
    x = 59,484,366,460,370.91/7,715,239.34
  6. Step 6: Final answer
    x = 7,709,983.30

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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.