Home / 18,409,401.28-25,405,001.76-10,260,464.32

Finding the Fourth Proportional to 18,409,401.28, 25,405,001.76 and 10,260,464.32

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Solution

The fourth proportional to 18,409,401.28, 25,405,001.76 and 10,260,464.32 is: 14,159,456.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,409,401.28 : 25,405,001.76 = 10,260,464.32 : x
  2. Step 2: Convert to fraction form
    18,409,401.28/25,405,001.76 = 10,260,464.32/x
  3. Step 3: Cross multiply
    18,409,401.28x = 25,405,001.76 × 10,260,464.32
  4. Step 4: Simplify right side
    18,409,401.28x = 260,667,114,108,017.22
  5. Step 5: Solve for x
    x = 260,667,114,108,017.22/18,409,401.28
  6. Step 6: Final answer
    x = 14,159,456.36

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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.