Home / 8,078,130.95-11,147,856.86-4,407,036.39

Finding the Fourth Proportional to 8,078,130.95, 11,147,856.86 and 4,407,036.39

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Solution

The fourth proportional to 8,078,130.95, 11,147,856.86 and 4,407,036.39 is: 6,081,729.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,078,130.95 : 11,147,856.86 = 4,407,036.39 : x
  2. Step 2: Convert to fraction form
    8,078,130.95/11,147,856.86 = 4,407,036.39/x
  3. Step 3: Cross multiply
    8,078,130.95x = 11,147,856.86 × 4,407,036.39
  4. Step 4: Simplify right side
    8,078,130.95x = 49,129,010,863,548.73
  5. Step 5: Solve for x
    x = 49,129,010,863,548.73/8,078,130.95
  6. Step 6: Final answer
    x = 6,081,729.94

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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.