Home / 11,431,726.86-15,775,805.46-6,786,443.50

Finding the Fourth Proportional to 11,431,726.86, 15,775,805.46 and 6,786,443.50

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Solution

The fourth proportional to 11,431,726.86, 15,775,805.46 and 6,786,443.50 is: 9,365,305.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,431,726.86 : 15,775,805.46 = 6,786,443.50 : x
  2. Step 2: Convert to fraction form
    11,431,726.86/15,775,805.46 = 6,786,443.50/x
  3. Step 3: Cross multiply
    11,431,726.86x = 15,775,805.46 × 6,786,443.50
  4. Step 4: Simplify right side
    11,431,726.86x = 107,061,612,421,281.52
  5. Step 5: Solve for x
    x = 107,061,612,421,281.52/11,431,726.86
  6. Step 6: Final answer
    x = 9,365,305.32

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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.