Home / 18,263,760.95-25,202,697.17-10,421,435.63

Finding the Fourth Proportional to 18,263,760.95, 25,202,697.17 and 10,421,435.63

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Solution

The fourth proportional to 18,263,760.95, 25,202,697.17 and 10,421,435.63 is: 14,380,843.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,263,760.95 : 25,202,697.17 = 10,421,435.63 : x
  2. Step 2: Convert to fraction form
    18,263,760.95/25,202,697.17 = 10,421,435.63/x
  3. Step 3: Cross multiply
    18,263,760.95x = 25,202,697.17 × 10,421,435.63
  4. Step 4: Simplify right side
    18,263,760.95x = 262,648,286,081,417.50
  5. Step 5: Solve for x
    x = 262,648,286,081,417.50/18,263,760.95
  6. Step 6: Final answer
    x = 14,380,843.40

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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.