Home / 7,018,788.04-9,685,749.07-3,921,334.66

Finding the Fourth Proportional to 7,018,788.04, 9,685,749.07 and 3,921,334.66

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Solution

The fourth proportional to 7,018,788.04, 9,685,749.07 and 3,921,334.66 is: 5,411,342.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018,788.04 : 9,685,749.07 = 3,921,334.66 : x
  2. Step 2: Convert to fraction form
    7,018,788.04/9,685,749.07 = 3,921,334.66/x
  3. Step 3: Cross multiply
    7,018,788.04x = 9,685,749.07 × 3,921,334.66
  4. Step 4: Simplify right side
    7,018,788.04x = 37,981,063,591,532.55
  5. Step 5: Solve for x
    x = 37,981,063,591,532.55/7,018,788.04
  6. Step 6: Final answer
    x = 5,411,342.15

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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.