Home / 10,648,977.86-14,696,757.05-6,179,517.49

Finding the Fourth Proportional to 10,648,977.86, 14,696,757.05 and 6,179,517.49

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Solution

The fourth proportional to 10,648,977.86, 14,696,757.05 and 6,179,517.49 is: 8,528,411.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,648,977.86 : 14,696,757.05 = 6,179,517.49 : x
  2. Step 2: Convert to fraction form
    10,648,977.86/14,696,757.05 = 6,179,517.49/x
  3. Step 3: Cross multiply
    10,648,977.86x = 14,696,757.05 × 6,179,517.49
  4. Step 4: Simplify right side
    10,648,977.86x = 90,818,867,196,672.73
  5. Step 5: Solve for x
    x = 90,818,867,196,672.73/10,648,977.86
  6. Step 6: Final answer
    x = 8,528,411.68

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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.