Home / 15,630,812.97-21,562,586.25-10,665,530.18

Finding the Fourth Proportional to 15,630,812.97, 21,562,586.25 and 10,665,530.18

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Solution

The fourth proportional to 15,630,812.97, 21,562,586.25 and 10,665,530.18 is: 14,713,016.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,630,812.97 : 21,562,586.25 = 10,665,530.18 : x
  2. Step 2: Convert to fraction form
    15,630,812.97/21,562,586.25 = 10,665,530.18/x
  3. Step 3: Cross multiply
    15,630,812.97x = 21,562,586.25 × 10,665,530.18
  4. Step 4: Simplify right side
    15,630,812.97x = 229,976,414,300,415.12
  5. Step 5: Solve for x
    x = 229,976,414,300,415.12/15,630,812.97
  6. Step 6: Final answer
    x = 14,713,016.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.