Home / 13,320,078.88-19,979,288.88-8,203,482.40

Finding the Fourth Proportional to 13,320,078.88, 19,979,288.88 and 8,203,482.40

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Solution

The fourth proportional to 13,320,078.88, 19,979,288.88 and 8,203,482.40 is: 12,304,712.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,320,078.88 : 19,979,288.88 = 8,203,482.40 : x
  2. Step 2: Convert to fraction form
    13,320,078.88/19,979,288.88 = 8,203,482.40/x
  3. Step 3: Cross multiply
    13,320,078.88x = 19,979,288.88 × 8,203,482.40
  4. Step 4: Simplify right side
    13,320,078.88x = 163,899,744,691,595.72
  5. Step 5: Solve for x
    x = 163,899,744,691,595.72/13,320,078.88
  6. Step 6: Final answer
    x = 12,304,712.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.