Home / 13,891,557.60-20,837,336.40-13,112,110.80

Finding the Fourth Proportional to 13,891,557.60, 20,837,336.40 and 13,112,110.80

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Solution

The fourth proportional to 13,891,557.60, 20,837,336.40 and 13,112,110.80 is: 19,668,166.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,891,557.60 : 20,837,336.40 = 13,112,110.80 : x
  2. Step 2: Convert to fraction form
    13,891,557.60/20,837,336.40 = 13,112,110.80/x
  3. Step 3: Cross multiply
    13,891,557.60x = 20,837,336.40 × 13,112,110.80
  4. Step 4: Simplify right side
    13,891,557.60x = 273,221,463,653,673.12
  5. Step 5: Solve for x
    x = 273,221,463,653,673.12/13,891,557.60
  6. Step 6: Final answer
    x = 19,668,166.20

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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.