Home / 13,209,162.24-19,820,005.08-6,381,908.76

Finding the Fourth Proportional to 13,209,162.24, 19,820,005.08 and 6,381,908.76

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Solution

The fourth proportional to 13,209,162.24, 19,820,005.08 and 6,381,908.76 is: 9,575,888.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,209,162.24 : 19,820,005.08 = 6,381,908.76 : x
  2. Step 2: Convert to fraction form
    13,209,162.24/19,820,005.08 = 6,381,908.76/x
  3. Step 3: Cross multiply
    13,209,162.24x = 19,820,005.08 × 6,381,908.76
  4. Step 4: Simplify right side
    13,209,162.24x = 126,489,464,043,296.48
  5. Step 5: Solve for x
    x = 126,489,464,043,296.48/13,209,162.24
  6. Step 6: Final answer
    x = 9,575,888.44

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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.