Home / 18,430,907.76-25,434,663.53-10,282,145.76

Finding the Fourth Proportional to 18,430,907.76, 25,434,663.53 and 10,282,145.76

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Solution

The fourth proportional to 18,430,907.76, 25,434,663.53 and 10,282,145.76 is: 14,189,367.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,430,907.76 : 25,434,663.53 = 10,282,145.76 : x
  2. Step 2: Convert to fraction form
    18,430,907.76/25,434,663.53 = 10,282,145.76/x
  3. Step 3: Cross multiply
    18,430,907.76x = 25,434,663.53 × 10,282,145.76
  4. Step 4: Simplify right side
    18,430,907.76x = 261,522,917,720,605.38
  5. Step 5: Solve for x
    x = 261,522,917,720,605.38/18,430,907.76
  6. Step 6: Final answer
    x = 14,189,367.18

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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.