Home / 14,228,619.60-21,336,284.70-5,129,518.80

Finding the Fourth Proportional to 14,228,619.60, 21,336,284.70 and 5,129,518.80

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Solution

The fourth proportional to 14,228,619.60, 21,336,284.70 and 5,129,518.80 is: 7,691,882.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,228,619.60 : 21,336,284.70 = 5,129,518.80 : x
  2. Step 2: Convert to fraction form
    14,228,619.60/21,336,284.70 = 5,129,518.80/x
  3. Step 3: Cross multiply
    14,228,619.60x = 21,336,284.70 × 5,129,518.80
  4. Step 4: Simplify right side
    14,228,619.60x = 109,444,873,490,802.36
  5. Step 5: Solve for x
    x = 109,444,873,490,802.36/14,228,619.60
  6. Step 6: Final answer
    x = 7,691,882.74

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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.