Home / 6,464,872.80-9,697,309.20-5,918,997.60

Finding the Fourth Proportional to 6,464,872.80, 9,697,309.20 and 5,918,997.60

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Solution

The fourth proportional to 6,464,872.80, 9,697,309.20 and 5,918,997.60 is: 8,878,496.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,464,872.80 : 9,697,309.20 = 5,918,997.60 : x
  2. Step 2: Convert to fraction form
    6,464,872.80/9,697,309.20 = 5,918,997.60/x
  3. Step 3: Cross multiply
    6,464,872.80x = 9,697,309.20 × 5,918,997.60
  4. Step 4: Simplify right side
    6,464,872.80x = 57,398,349,881,257.91
  5. Step 5: Solve for x
    x = 57,398,349,881,257.91/6,464,872.80
  6. Step 6: Final answer
    x = 8,878,496.40

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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.