Home / 13,121,338.25-19,655,658.45-6,536,213.36

Finding the Fourth Proportional to 13,121,338.25, 19,655,658.45 and 6,536,213.36

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Solution

The fourth proportional to 13,121,338.25, 19,655,658.45 and 6,536,213.36 is: 9,791,194.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,121,338.25 : 19,655,658.45 = 6,536,213.36 : x
  2. Step 2: Convert to fraction form
    13,121,338.25/19,655,658.45 = 6,536,213.36/x
  3. Step 3: Cross multiply
    13,121,338.25x = 19,655,658.45 × 6,536,213.36
  4. Step 4: Simplify right side
    13,121,338.25x = 128,473,577,360,486.89
  5. Step 5: Solve for x
    x = 128,473,577,360,486.89/13,121,338.25
  6. Step 6: Final answer
    x = 9,791,194.69

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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.