Home / 12,702,465.36-19,053,668.88-5,513,067.36

Finding the Fourth Proportional to 12,702,465.36, 19,053,668.88 and 5,513,067.36

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Solution

The fourth proportional to 12,702,465.36, 19,053,668.88 and 5,513,067.36 is: 8,269,588.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,702,465.36 : 19,053,668.88 = 5,513,067.36 : x
  2. Step 2: Convert to fraction form
    12,702,465.36/19,053,668.88 = 5,513,067.36/x
  3. Step 3: Cross multiply
    12,702,465.36x = 19,053,668.88 × 5,513,067.36
  4. Step 4: Simplify right side
    12,702,465.36x = 105,044,159,990,575.75
  5. Step 5: Solve for x
    x = 105,044,159,990,575.75/12,702,465.36
  6. Step 6: Final answer
    x = 8,269,588.38

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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.