Home / 14,211,539.20-21,312,643.20-5,234,924.80

Finding the Fourth Proportional to 14,211,539.20, 21,312,643.20 and 5,234,924.80

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Solution

The fourth proportional to 14,211,539.20, 21,312,643.20 and 5,234,924.80 is: 7,850,668.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,211,539.20 : 21,312,643.20 = 5,234,924.80 : x
  2. Step 2: Convert to fraction form
    14,211,539.20/21,312,643.20 = 5,234,924.80/x
  3. Step 3: Cross multiply
    14,211,539.20x = 21,312,643.20 × 5,234,924.80
  4. Step 4: Simplify right side
    14,211,539.20x = 111,570,084,441,231.36
  5. Step 5: Solve for x
    x = 111,570,084,441,231.36/14,211,539.20
  6. Step 6: Final answer
    x = 7,850,668.59

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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.