Home / 13,136,141.52-19,691,031.96-5,449,332.24

Finding the Fourth Proportional to 13,136,141.52, 19,691,031.96 and 5,449,332.24

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Solution

The fourth proportional to 13,136,141.52, 19,691,031.96 and 5,449,332.24 is: 8,168,530.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,136,141.52 : 19,691,031.96 = 5,449,332.24 : x
  2. Step 2: Convert to fraction form
    13,136,141.52/19,691,031.96 = 5,449,332.24/x
  3. Step 3: Cross multiply
    13,136,141.52x = 19,691,031.96 × 5,449,332.24
  4. Step 4: Simplify right side
    13,136,141.52x = 107,302,975,298,498.41
  5. Step 5: Solve for x
    x = 107,302,975,298,498.41/13,136,141.52
  6. Step 6: Final answer
    x = 8,168,530.70

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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.