Home / 7,387,411.80-11,081,117.70-6,616,032.60

Finding the Fourth Proportional to 7,387,411.80, 11,081,117.70 and 6,616,032.60

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Solution

The fourth proportional to 7,387,411.80, 11,081,117.70 and 6,616,032.60 is: 9,924,048.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387,411.80 : 11,081,117.70 = 6,616,032.60 : x
  2. Step 2: Convert to fraction form
    7,387,411.80/11,081,117.70 = 6,616,032.60/x
  3. Step 3: Cross multiply
    7,387,411.80x = 11,081,117.70 × 6,616,032.60
  4. Step 4: Simplify right side
    7,387,411.80x = 73,313,035,947,637.02
  5. Step 5: Solve for x
    x = 73,313,035,947,637.02/7,387,411.80
  6. Step 6: Final answer
    x = 9,924,048.90

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Similar ratio
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1.5x scale

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.