Home / 10,790,602.10-16,185,903.15-8,271,178.10

Finding the Fourth Proportional to 10,790,602.10, 16,185,903.15 and 8,271,178.10

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Solution

The fourth proportional to 10,790,602.10, 16,185,903.15 and 8,271,178.10 is: 12,406,767.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790,602.10 : 16,185,903.15 = 8,271,178.10 : x
  2. Step 2: Convert to fraction form
    10,790,602.10/16,185,903.15 = 8,271,178.10/x
  3. Step 3: Cross multiply
    10,790,602.10x = 16,185,903.15 × 8,271,178.10
  4. Step 4: Simplify right side
    10,790,602.10x = 133,876,487,663,001.02
  5. Step 5: Solve for x
    x = 133,876,487,663,001.02/10,790,602.10
  6. Step 6: Final answer
    x = 12,406,767.15

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.