Home / 6,748,851.78-10,121,194.54-1,956,894.21

Finding the Fourth Proportional to 6,748,851.78, 10,121,194.54 and 1,956,894.21

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Solution

The fourth proportional to 6,748,851.78, 10,121,194.54 and 1,956,894.21 is: 2,934,737.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,748,851.78 : 10,121,194.54 = 1,956,894.21 : x
  2. Step 2: Convert to fraction form
    6,748,851.78/10,121,194.54 = 1,956,894.21/x
  3. Step 3: Cross multiply
    6,748,851.78x = 10,121,194.54 × 1,956,894.21
  4. Step 4: Simplify right side
    6,748,851.78x = 19,806,106,993,609.61
  5. Step 5: Solve for x
    x = 19,806,106,993,609.61/6,748,851.78
  6. Step 6: Final answer
    x = 2,934,737.29

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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.