Home / 7,146,727.69-9,862,476.69-3,883,534.61

Finding the Fourth Proportional to 7,146,727.69, 9,862,476.69 and 3,883,534.61

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Solution

The fourth proportional to 7,146,727.69, 9,862,476.69 and 3,883,534.61 is: 5,359,273.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,146,727.69 : 9,862,476.69 = 3,883,534.61 : x
  2. Step 2: Convert to fraction form
    7,146,727.69/9,862,476.69 = 3,883,534.61/x
  3. Step 3: Cross multiply
    7,146,727.69x = 9,862,476.69 × 3,883,534.61
  4. Step 4: Simplify right side
    7,146,727.69x = 38,301,269,559,137.78
  5. Step 5: Solve for x
    x = 38,301,269,559,137.78/7,146,727.69
  6. Step 6: Final answer
    x = 5,359,273.67

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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.