Home / 15,314,665.62-21,133,967.43-8,345,404.65

Finding the Fourth Proportional to 15,314,665.62, 21,133,967.43 and 8,345,404.65

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Solution

The fourth proportional to 15,314,665.62, 21,133,967.43 and 8,345,404.65 is: 11,516,510.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,314,665.62 : 21,133,967.43 = 8,345,404.65 : x
  2. Step 2: Convert to fraction form
    15,314,665.62/21,133,967.43 = 8,345,404.65/x
  3. Step 3: Cross multiply
    15,314,665.62x = 21,133,967.43 × 8,345,404.65
  4. Step 4: Simplify right side
    15,314,665.62x = 176,371,510,063,270.56
  5. Step 5: Solve for x
    x = 176,371,510,063,270.56/15,314,665.62
  6. Step 6: Final answer
    x = 11,516,510.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.