Home / 14,235,811.75-21,387,783.72-9,128,248.52

Finding the Fourth Proportional to 14,235,811.75, 21,387,783.72 and 9,128,248.52

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Solution

The fourth proportional to 14,235,811.75, 21,387,783.72 and 9,128,248.52 is: 13,714,216.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,235,811.75 : 21,387,783.72 = 9,128,248.52 : x
  2. Step 2: Convert to fraction form
    14,235,811.75/21,387,783.72 = 9,128,248.52/x
  3. Step 3: Cross multiply
    14,235,811.75x = 21,387,783.72 × 9,128,248.52
  4. Step 4: Simplify right side
    14,235,811.75x = 195,233,004,981,231.19
  5. Step 5: Solve for x
    x = 195,233,004,981,231.19/14,235,811.75
  6. Step 6: Final answer
    x = 13,714,216.54

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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.