Home / 26,889,557.40-37,110,726.38-15,288,859

Finding the Fourth Proportional to 26,889,557.40, 37,110,726.38 and 15,288,859

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Solution

The fourth proportional to 26,889,557.40, 37,110,726.38 and 15,288,859 is: 21,100,409.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,889,557.40 : 37,110,726.38 = 15,288,859 : x
  2. Step 2: Convert to fraction form
    26,889,557.40/37,110,726.38 = 15,288,859/x
  3. Step 3: Cross multiply
    26,889,557.40x = 37,110,726.38 × 15,288,859
  4. Step 4: Simplify right side
    26,889,557.40x = 567,380,663,011,400.50
  5. Step 5: Solve for x
    x = 567,380,663,011,400.50/26,889,557.40
  6. Step 6: Final answer
    x = 21,100,409.15

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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.