Home / 15,862,800.25-21,890,795.57-8,619,456.25

Finding the Fourth Proportional to 15,862,800.25, 21,890,795.57 and 8,619,456.25

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Solution

The fourth proportional to 15,862,800.25, 21,890,795.57 and 8,619,456.25 is: 11,894,920.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,862,800.25 : 21,890,795.57 = 8,619,456.25 : x
  2. Step 2: Convert to fraction form
    15,862,800.25/21,890,795.57 = 8,619,456.25/x
  3. Step 3: Cross multiply
    15,862,800.25x = 21,890,795.57 × 8,619,456.25
  4. Step 4: Simplify right side
    15,862,800.25x = 188,686,754,693,308.81
  5. Step 5: Solve for x
    x = 188,686,754,693,308.81/15,862,800.25
  6. Step 6: Final answer
    x = 11,894,920.93

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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.