Home / 12,084,778.86-16,676,977.50-6,578,136.69

Finding the Fourth Proportional to 12,084,778.86, 16,676,977.50 and 6,578,136.69

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Solution

The fourth proportional to 12,084,778.86, 16,676,977.50 and 6,578,136.69 is: 9,077,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,084,778.86 : 16,676,977.50 = 6,578,136.69 : x
  2. Step 2: Convert to fraction form
    12,084,778.86/16,676,977.50 = 6,578,136.69/x
  3. Step 3: Cross multiply
    12,084,778.86x = 16,676,977.50 × 6,578,136.69
  4. Step 4: Simplify right side
    12,084,778.86x = 109,703,437,571,054.48
  5. Step 5: Solve for x
    x = 109,703,437,571,054.48/12,084,778.86
  6. Step 6: Final answer
    x = 9,077,819.20

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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.