Home / 18,979,991.02-26,192,401.80-10,278,173.18

Finding the Fourth Proportional to 18,979,991.02, 26,192,401.80 and 10,278,173.18

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Solution

The fourth proportional to 18,979,991.02, 26,192,401.80 and 10,278,173.18 is: 14,183,886.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,979,991.02 : 26,192,401.80 = 10,278,173.18 : x
  2. Step 2: Convert to fraction form
    18,979,991.02/26,192,401.80 = 10,278,173.18/x
  3. Step 3: Cross multiply
    18,979,991.02x = 26,192,401.80 × 10,278,173.18
  4. Step 4: Simplify right side
    18,979,991.02x = 269,210,041,700,543.72
  5. Step 5: Solve for x
    x = 269,210,041,700,543.72/18,979,991.02
  6. Step 6: Final answer
    x = 14,183,886.67

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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.