Home / 15,630,812.47-21,562,585.56-10,665,529.68

Finding the Fourth Proportional to 15,630,812.47, 21,562,585.56 and 10,665,529.68

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Solution

The fourth proportional to 15,630,812.47, 21,562,585.56 and 10,665,529.68 is: 14,713,016.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,630,812.47 : 21,562,585.56 = 10,665,529.68 : x
  2. Step 2: Convert to fraction form
    15,630,812.47/21,562,585.56 = 10,665,529.68/x
  3. Step 3: Cross multiply
    15,630,812.47x = 21,562,585.56 × 10,665,529.68
  4. Step 4: Simplify right side
    15,630,812.47x = 229,976,396,267,719.41
  5. Step 5: Solve for x
    x = 229,976,396,267,719.41/15,630,812.47
  6. Step 6: Final answer
    x = 14,713,016.15

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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.