Home / 15,058,826.72-20,782,952.36-8,947,255.22

Finding the Fourth Proportional to 15,058,826.72, 20,782,952.36 and 8,947,255.22

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Solution

The fourth proportional to 15,058,826.72, 20,782,952.36 and 8,947,255.22 is: 12,348,264.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,058,826.72 : 20,782,952.36 = 8,947,255.22 : x
  2. Step 2: Convert to fraction form
    15,058,826.72/20,782,952.36 = 8,947,255.22/x
  3. Step 3: Cross multiply
    15,058,826.72x = 20,782,952.36 × 8,947,255.22
  4. Step 4: Simplify right side
    15,058,826.72x = 185,950,378,952,858.56
  5. Step 5: Solve for x
    x = 185,950,378,952,858.56/15,058,826.72
  6. Step 6: Final answer
    x = 12,348,264.74

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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.