Home / 7,085,307.60-10,628,998.20-3,719,768.40

Finding the Fourth Proportional to 7,085,307.60, 10,628,998.20 and 3,719,768.40

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Solution

The fourth proportional to 7,085,307.60, 10,628,998.20 and 3,719,768.40 is: 5,580,196.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,085,307.60 : 10,628,998.20 = 3,719,768.40 : x
  2. Step 2: Convert to fraction form
    7,085,307.60/10,628,998.20 = 3,719,768.40/x
  3. Step 3: Cross multiply
    7,085,307.60x = 10,628,998.20 × 3,719,768.40
  4. Step 4: Simplify right side
    7,085,307.60x = 39,537,411,628,016.88
  5. Step 5: Solve for x
    x = 39,537,411,628,016.88/7,085,307.60
  6. Step 6: Final answer
    x = 5,580,196.92

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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.