Home / 6,854,728.41-10,220,809.53-6,666,399.01

Finding the Fourth Proportional to 6,854,728.41, 10,220,809.53 and 6,666,399.01

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Solution

The fourth proportional to 6,854,728.41, 10,220,809.53 and 6,666,399.01 is: 9,939,999.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,854,728.41 : 10,220,809.53 = 6,666,399.01 : x
  2. Step 2: Convert to fraction form
    6,854,728.41/10,220,809.53 = 6,666,399.01/x
  3. Step 3: Cross multiply
    6,854,728.41x = 10,220,809.53 × 6,666,399.01
  4. Step 4: Simplify right side
    6,854,728.41x = 68,135,994,532,190.55
  5. Step 5: Solve for x
    x = 68,135,994,532,190.55/6,854,728.41
  6. Step 6: Final answer
    x = 9,939,999.14

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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.