Home / 10,648,979.86-14,696,759.81-6,179,519.49

Finding the Fourth Proportional to 10,648,979.86, 14,696,759.81 and 6,179,519.49

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Solution

The fourth proportional to 10,648,979.86, 14,696,759.81 and 6,179,519.49 is: 8,528,414.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,648,979.86 : 14,696,759.81 = 6,179,519.49 : x
  2. Step 2: Convert to fraction form
    10,648,979.86/14,696,759.81 = 6,179,519.49/x
  3. Step 3: Cross multiply
    10,648,979.86x = 14,696,759.81 × 6,179,519.49
  4. Step 4: Simplify right side
    10,648,979.86x = 90,818,913,685,743.70
  5. Step 5: Solve for x
    x = 90,818,913,685,743.70/10,648,979.86
  6. Step 6: Final answer
    x = 8,528,414.45

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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.