Home / 12,105,903.71-16,705,542.98-6,878,221.22

Finding the Fourth Proportional to 12,105,903.71, 16,705,542.98 and 6,878,221.22

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Solution

The fourth proportional to 12,105,903.71, 16,705,542.98 and 6,878,221.22 is: 9,491,602.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,105,903.71 : 16,705,542.98 = 6,878,221.22 : x
  2. Step 2: Convert to fraction form
    12,105,903.71/16,705,542.98 = 6,878,221.22/x
  3. Step 3: Cross multiply
    12,105,903.71x = 16,705,542.98 × 6,878,221.22
  4. Step 4: Simplify right side
    12,105,903.71x = 114,904,420,182,266.92
  5. Step 5: Solve for x
    x = 114,904,420,182,266.92/12,105,903.71
  6. Step 6: Final answer
    x = 9,491,602.03

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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.