Home / 7,187,795.64-9,919,095.44-3,924,594.81

Finding the Fourth Proportional to 7,187,795.64, 9,919,095.44 and 3,924,594.81

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Solution

The fourth proportional to 7,187,795.64, 9,919,095.44 and 3,924,594.81 is: 5,415,906.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187,795.64 : 9,919,095.44 = 3,924,594.81 : x
  2. Step 2: Convert to fraction form
    7,187,795.64/9,919,095.44 = 3,924,594.81/x
  3. Step 3: Cross multiply
    7,187,795.64x = 9,919,095.44 × 3,924,594.81
  4. Step 4: Simplify right side
    7,187,795.64x = 38,928,430,464,095.70
  5. Step 5: Solve for x
    x = 38,928,430,464,095.70/7,187,795.64
  6. Step 6: Final answer
    x = 5,415,906.69

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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.