Home / 6,721,000.78-10,081,501.16-6,721,000.78

Finding the Fourth Proportional to 6,721,000.78, 10,081,501.16 and 6,721,000.78

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Solution

The fourth proportional to 6,721,000.78, 10,081,501.16 and 6,721,000.78 is: 10,081,501.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721,000.78 : 10,081,501.16 = 6,721,000.78 : x
  2. Step 2: Convert to fraction form
    6,721,000.78/10,081,501.16 = 6,721,000.78/x
  3. Step 3: Cross multiply
    6,721,000.78x = 10,081,501.16 × 6,721,000.78
  4. Step 4: Simplify right side
    6,721,000.78x = 67,757,777,126,325.90
  5. Step 5: Solve for x
    x = 67,757,777,126,325.90/6,721,000.78
  6. Step 6: Final answer
    x = 10,081,501.16

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Double scale
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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.