Home / 15,858,938-21,885,353.92-8,615,594

Finding the Fourth Proportional to 15,858,938, 21,885,353.92 and 8,615,594

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Solution

The fourth proportional to 15,858,938, 21,885,353.92 and 8,615,594 is: 11,889,530.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,858,938 : 21,885,353.92 = 8,615,594 : x
  2. Step 2: Convert to fraction form
    15,858,938/21,885,353.92 = 8,615,594/x
  3. Step 3: Cross multiply
    15,858,938x = 21,885,353.92 × 8,615,594
  4. Step 4: Simplify right side
    15,858,938x = 188,555,323,921,028.50
  5. Step 5: Solve for x
    x = 188,555,323,921,028.50/15,858,938
  6. Step 6: Final answer
    x = 11,889,530.30

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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.