Home / 7,187,959.41-9,919,588.37-3,924,981.33

Finding the Fourth Proportional to 7,187,959.41, 9,919,588.37 and 3,924,981.33

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Solution

The fourth proportional to 7,187,959.41, 9,919,588.37 and 3,924,981.33 is: 5,416,585.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187,959.41 : 9,919,588.37 = 3,924,981.33 : x
  2. Step 2: Convert to fraction form
    7,187,959.41/9,919,588.37 = 3,924,981.33/x
  3. Step 3: Cross multiply
    7,187,959.41x = 9,919,588.37 × 3,924,981.33
  4. Step 4: Simplify right side
    7,187,959.41x = 38,934,199,133,910.23
  5. Step 5: Solve for x
    x = 38,934,199,133,910.23/7,187,959.41
  6. Step 6: Final answer
    x = 5,416,585.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.