Home / 5,413,055.40-8,121,656.70-5,328,037.80

Finding the Fourth Proportional to 5,413,055.40, 8,121,656.70 and 5,328,037.80

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Solution

The fourth proportional to 5,413,055.40, 8,121,656.70 and 5,328,037.80 is: 7,994,097.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413,055.40 : 8,121,656.70 = 5,328,037.80 : x
  2. Step 2: Convert to fraction form
    5,413,055.40/8,121,656.70 = 5,328,037.80/x
  3. Step 3: Cross multiply
    5,413,055.40x = 8,121,656.70 × 5,328,037.80
  4. Step 4: Simplify right side
    5,413,055.40x = 43,272,493,896,223.26
  5. Step 5: Solve for x
    x = 43,272,493,896,223.26/5,413,055.40
  6. Step 6: Final answer
    x = 7,994,097.73

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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.