Home / 6,854,767.86-10,220,868.41-6,666,438.46

Finding the Fourth Proportional to 6,854,767.86, 10,220,868.41 and 6,666,438.46

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Solution

The fourth proportional to 6,854,767.86, 10,220,868.41 and 6,666,438.46 is: 9,940,058.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,854,767.86 : 10,220,868.41 = 6,666,438.46 : x
  2. Step 2: Convert to fraction form
    6,854,767.86/10,220,868.41 = 6,666,438.46/x
  3. Step 3: Cross multiply
    6,854,767.86x = 10,220,868.41 × 6,666,438.46
  4. Step 4: Simplify right side
    6,854,767.86x = 68,136,790,260,801.52
  5. Step 5: Solve for x
    x = 68,136,790,260,801.52/6,854,767.86
  6. Step 6: Final answer
    x = 9,940,058.02

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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.