Home / 15,016,566-20,739,968.30-10,179,271.92

Finding the Fourth Proportional to 15,016,566, 20,739,968.30 and 10,179,271.92

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Solution

The fourth proportional to 15,016,566, 20,739,968.30 and 10,179,271.92 is: 14,058,991.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,016,566 : 20,739,968.30 = 10,179,271.92 : x
  2. Step 2: Convert to fraction form
    15,016,566/20,739,968.30 = 10,179,271.92/x
  3. Step 3: Cross multiply
    15,016,566x = 20,739,968.30 × 10,179,271.92
  4. Step 4: Simplify right side
    15,016,566x = 211,117,776,937,880.16
  5. Step 5: Solve for x
    x = 211,117,776,937,880.16/15,016,566
  6. Step 6: Final answer
    x = 14,058,991.71

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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.