Home / 5,715,646.16-8,607,684.15-5,205,462.80

Finding the Fourth Proportional to 5,715,646.16, 8,607,684.15 and 5,205,462.80

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Solution

The fourth proportional to 5,715,646.16, 8,607,684.15 and 5,205,462.80 is: 7,839,355.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715,646.16 : 8,607,684.15 = 5,205,462.80 : x
  2. Step 2: Convert to fraction form
    5,715,646.16/8,607,684.15 = 5,205,462.80/x
  3. Step 3: Cross multiply
    5,715,646.16x = 8,607,684.15 × 5,205,462.80
  4. Step 4: Simplify right side
    5,715,646.16x = 44,806,979,593,936.20
  5. Step 5: Solve for x
    x = 44,806,979,593,936.20/5,715,646.16
  6. Step 6: Final answer
    x = 7,839,355.06

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.