Home / 9,981,496-13,775,812.32-5,631,474.88

Finding the Fourth Proportional to 9,981,496, 13,775,812.32 and 5,631,474.88

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Solution

The fourth proportional to 9,981,496, 13,775,812.32 and 5,631,474.88 is: 7,772,195.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,981,496 : 13,775,812.32 = 5,631,474.88 : x
  2. Step 2: Convert to fraction form
    9,981,496/13,775,812.32 = 5,631,474.88/x
  3. Step 3: Cross multiply
    9,981,496x = 13,775,812.32 × 5,631,474.88
  4. Step 4: Simplify right side
    9,981,496x = 77,578,141,031,674.52
  5. Step 5: Solve for x
    x = 77,578,141,031,674.52/9,981,496
  6. Step 6: Final answer
    x = 7,772,195.77

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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.