Home / 6,854,731.55-10,220,814.16-6,666,402.14

Finding the Fourth Proportional to 6,854,731.55, 10,220,814.16 and 6,666,402.14

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Solution

The fourth proportional to 6,854,731.55, 10,220,814.16 and 6,666,402.14 is: 9,940,003.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,854,731.55 : 10,220,814.16 = 6,666,402.14 : x
  2. Step 2: Convert to fraction form
    6,854,731.55/10,220,814.16 = 6,666,402.14/x
  3. Step 3: Cross multiply
    6,854,731.55x = 10,220,814.16 × 6,666,402.14
  4. Step 4: Simplify right side
    6,854,731.55x = 68,136,057,345,995.23
  5. Step 5: Solve for x
    x = 68,136,057,345,995.23/6,854,731.55
  6. Step 6: Final answer
    x = 9,940,003.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.