Home / 7,393,121.40-11,081,387.70-3,132,564.60

Finding the Fourth Proportional to 7,393,121.40, 11,081,387.70 and 3,132,564.60

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Solution

The fourth proportional to 7,393,121.40, 11,081,387.70 and 3,132,564.60 is: 4,695,332.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,393,121.40 : 11,081,387.70 = 3,132,564.60 : x
  2. Step 2: Convert to fraction form
    7,393,121.40/11,081,387.70 = 3,132,564.60/x
  3. Step 3: Cross multiply
    7,393,121.40x = 11,081,387.70 × 3,132,564.60
  4. Step 4: Simplify right side
    7,393,121.40x = 34,713,162,827,895.42
  5. Step 5: Solve for x
    x = 34,713,162,827,895.42/7,393,121.40
  6. Step 6: Final answer
    x = 4,695,332.45

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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.