Home / 15,840,581.94-21,869,876.07-10,887,551.82

Finding the Fourth Proportional to 15,840,581.94, 21,869,876.07 and 10,887,551.82

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Solution

The fourth proportional to 15,840,581.94, 21,869,876.07 and 10,887,551.82 is: 15,031,607.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,840,581.94 : 21,869,876.07 = 10,887,551.82 : x
  2. Step 2: Convert to fraction form
    15,840,581.94/21,869,876.07 = 10,887,551.82/x
  3. Step 3: Cross multiply
    15,840,581.94x = 21,869,876.07 × 10,887,551.82
  4. Step 4: Simplify right side
    15,840,581.94x = 238,109,409,009,102.97
  5. Step 5: Solve for x
    x = 238,109,409,009,102.97/15,840,581.94
  6. Step 6: Final answer
    x = 15,031,607.42

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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.