Home / 7,171,343.50-9,896,454.27-3,952,079.50

Finding the Fourth Proportional to 7,171,343.50, 9,896,454.27 and 3,952,079.50

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Solution

The fourth proportional to 7,171,343.50, 9,896,454.27 and 3,952,079.50 is: 5,453,869.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171,343.50 : 9,896,454.27 = 3,952,079.50 : x
  2. Step 2: Convert to fraction form
    7,171,343.50/9,896,454.27 = 3,952,079.50/x
  3. Step 3: Cross multiply
    7,171,343.50x = 9,896,454.27 × 3,952,079.50
  4. Step 4: Simplify right side
    7,171,343.50x = 39,111,574,043,154.46
  5. Step 5: Solve for x
    x = 39,111,574,043,154.46/7,171,343.50
  6. Step 6: Final answer
    x = 5,453,869.84

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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.