Home / 12,162,218.64-16,781,196.60-7,266,705.36

Finding the Fourth Proportional to 12,162,218.64, 16,781,196.60 and 7,266,705.36

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Solution

The fourth proportional to 12,162,218.64, 16,781,196.60 and 7,266,705.36 is: 10,026,461.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,162,218.64 : 16,781,196.60 = 7,266,705.36 : x
  2. Step 2: Convert to fraction form
    12,162,218.64/16,781,196.60 = 7,266,705.36/x
  3. Step 3: Cross multiply
    12,162,218.64x = 16,781,196.60 × 7,266,705.36
  4. Step 4: Simplify right side
    12,162,218.64x = 121,944,011,280,433.80
  5. Step 5: Solve for x
    x = 121,944,011,280,433.80/12,162,218.64
  6. Step 6: Final answer
    x = 10,026,461.03

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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.