Home / 15,577,185.86-21,496,415.01-8,701,607.78

Finding the Fourth Proportional to 15,577,185.86, 21,496,415.01 and 8,701,607.78

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Solution

The fourth proportional to 15,577,185.86, 21,496,415.01 and 8,701,607.78 is: 12,008,162.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,577,185.86 : 21,496,415.01 = 8,701,607.78 : x
  2. Step 2: Convert to fraction form
    15,577,185.86/21,496,415.01 = 8,701,607.78/x
  3. Step 3: Cross multiply
    15,577,185.86x = 21,496,415.01 × 8,701,607.78
  4. Step 4: Simplify right side
    15,577,185.86x = 187,053,372,093,124.78
  5. Step 5: Solve for x
    x = 187,053,372,093,124.78/15,577,185.86
  6. Step 6: Final answer
    x = 12,008,162.05

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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.