Home / 12,673,648.10-18,996,475.35-6,997,945.70

Finding the Fourth Proportional to 12,673,648.10, 18,996,475.35 and 6,997,945.70

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Solution

The fourth proportional to 12,673,648.10, 18,996,475.35 and 6,997,945.70 is: 10,489,190.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,673,648.10 : 18,996,475.35 = 6,997,945.70 : x
  2. Step 2: Convert to fraction form
    12,673,648.10/18,996,475.35 = 6,997,945.70/x
  3. Step 3: Cross multiply
    12,673,648.10x = 18,996,475.35 × 6,997,945.70
  4. Step 4: Simplify right side
    12,673,648.10x = 132,936,302,990,688.52
  5. Step 5: Solve for x
    x = 132,936,302,990,688.52/12,673,648.10
  6. Step 6: Final answer
    x = 10,489,190.01

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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.