Home / 11,855,151.78-16,360,126.14-6,422,643.78

Finding the Fourth Proportional to 11,855,151.78, 16,360,126.14 and 6,422,643.78

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Solution

The fourth proportional to 11,855,151.78, 16,360,126.14 and 6,422,643.78 is: 8,863,257.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,855,151.78 : 16,360,126.14 = 6,422,643.78 : x
  2. Step 2: Convert to fraction form
    11,855,151.78/16,360,126.14 = 6,422,643.78/x
  3. Step 3: Cross multiply
    11,855,151.78x = 16,360,126.14 × 6,422,643.78
  4. Step 4: Simplify right side
    11,855,151.78x = 105,075,262,393,086.42
  5. Step 5: Solve for x
    x = 105,075,262,393,086.42/11,855,151.78
  6. Step 6: Final answer
    x = 8,863,257.45

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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.