Home / 7,388,085.60-11,090,422.80-5,712,616.80

Finding the Fourth Proportional to 7,388,085.60, 11,090,422.80 and 5,712,616.80

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Solution

The fourth proportional to 7,388,085.60, 11,090,422.80 and 5,712,616.80 is: 8,575,338.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388,085.60 : 11,090,422.80 = 5,712,616.80 : x
  2. Step 2: Convert to fraction form
    7,388,085.60/11,090,422.80 = 5,712,616.80/x
  3. Step 3: Cross multiply
    7,388,085.60x = 11,090,422.80 × 5,712,616.80
  4. Step 4: Simplify right side
    7,388,085.60x = 63,355,335,606,383.04
  5. Step 5: Solve for x
    x = 63,355,335,606,383.04/7,388,085.60
  6. Step 6: Final answer
    x = 8,575,338.60

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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.