Home / 7,387,404.80-11,081,107.20-6,616,025.60

Finding the Fourth Proportional to 7,387,404.80, 11,081,107.20 and 6,616,025.60

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Solution

The fourth proportional to 7,387,404.80, 11,081,107.20 and 6,616,025.60 is: 9,924,038.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387,404.80 : 11,081,107.20 = 6,616,025.60 : x
  2. Step 2: Convert to fraction form
    7,387,404.80/11,081,107.20 = 6,616,025.60/x
  3. Step 3: Cross multiply
    7,387,404.80x = 11,081,107.20 × 6,616,025.60
  4. Step 4: Simplify right side
    7,387,404.80x = 73,312,888,911,544.31
  5. Step 5: Solve for x
    x = 73,312,888,911,544.31/7,387,404.80
  6. Step 6: Final answer
    x = 9,924,038.40

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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.