Home / 14,498,515.72-19,989,378.34-11,875,356.23

Finding the Fourth Proportional to 14,498,515.72, 19,989,378.34 and 11,875,356.23

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Solution

The fourth proportional to 14,498,515.72, 19,989,378.34 and 11,875,356.23 is: 16,372,778.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,498,515.72 : 19,989,378.34 = 11,875,356.23 : x
  2. Step 2: Convert to fraction form
    14,498,515.72/19,989,378.34 = 11,875,356.23/x
  3. Step 3: Cross multiply
    14,498,515.72x = 19,989,378.34 × 11,875,356.23
  4. Step 4: Simplify right side
    14,498,515.72x = 237,380,988,603,746.06
  5. Step 5: Solve for x
    x = 237,380,988,603,746.06/14,498,515.72
  6. Step 6: Final answer
    x = 16,372,778.65

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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.