Home / 13,096,656.30-19,653,841.80-7,339,378.80

Finding the Fourth Proportional to 13,096,656.30, 19,653,841.80 and 7,339,378.80

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Solution

The fourth proportional to 13,096,656.30, 19,653,841.80 and 7,339,378.80 is: 11,014,031.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,096,656.30 : 19,653,841.80 = 7,339,378.80 : x
  2. Step 2: Convert to fraction form
    13,096,656.30/19,653,841.80 = 7,339,378.80/x
  3. Step 3: Cross multiply
    13,096,656.30x = 19,653,841.80 × 7,339,378.80
  4. Step 4: Simplify right side
    13,096,656.30x = 144,246,989,845,473.84
  5. Step 5: Solve for x
    x = 144,246,989,845,473.84/13,096,656.30
  6. Step 6: Final answer
    x = 11,014,031.87

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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.