Home / 12,126,137.94-16,730,095.86-8,642,025.27

Finding the Fourth Proportional to 12,126,137.94, 16,730,095.86 and 8,642,025.27

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Solution

The fourth proportional to 12,126,137.94, 16,730,095.86 and 8,642,025.27 is: 11,923,162.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,126,137.94 : 16,730,095.86 = 8,642,025.27 : x
  2. Step 2: Convert to fraction form
    12,126,137.94/16,730,095.86 = 8,642,025.27/x
  3. Step 3: Cross multiply
    12,126,137.94x = 16,730,095.86 × 8,642,025.27
  4. Step 4: Simplify right side
    12,126,137.94x = 144,581,911,191,642.38
  5. Step 5: Solve for x
    x = 144,581,911,191,642.38/12,126,137.94
  6. Step 6: Final answer
    x = 11,923,162.34

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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.