Home / 7,185,092.28-9,913,947.20-4,128,716.04

Finding the Fourth Proportional to 7,185,092.28, 9,913,947.20 and 4,128,716.04

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Solution

The fourth proportional to 7,185,092.28, 9,913,947.20 and 4,128,716.04 is: 5,696,777.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,185,092.28 : 9,913,947.20 = 4,128,716.04 : x
  2. Step 2: Convert to fraction form
    7,185,092.28/9,913,947.20 = 4,128,716.04/x
  3. Step 3: Cross multiply
    7,185,092.28x = 9,913,947.20 × 4,128,716.04
  4. Step 4: Simplify right side
    7,185,092.28x = 40,931,872,803,709.51
  5. Step 5: Solve for x
    x = 40,931,872,803,709.51/7,185,092.28
  6. Step 6: Final answer
    x = 5,696,777.61

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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.