Home / 7,727,696.40-10,663,686.04-4,289,665.68

Finding the Fourth Proportional to 7,727,696.40, 10,663,686.04 and 4,289,665.68

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Solution

The fourth proportional to 7,727,696.40, 10,663,686.04 and 4,289,665.68 is: 5,919,441.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,727,696.40 : 10,663,686.04 = 4,289,665.68 : x
  2. Step 2: Convert to fraction form
    7,727,696.40/10,663,686.04 = 4,289,665.68/x
  3. Step 3: Cross multiply
    7,727,696.40x = 10,663,686.04 × 4,289,665.68
  4. Step 4: Simplify right side
    7,727,696.40x = 45,743,648,028,083.10
  5. Step 5: Solve for x
    x = 45,743,648,028,083.10/7,727,696.40
  6. Step 6: Final answer
    x = 5,919,441.66

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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.