Home / 10,121,276.06-13,952,833.73-7,215,622.40

Finding the Fourth Proportional to 10,121,276.06, 13,952,833.73 and 7,215,622.40

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Solution

The fourth proportional to 10,121,276.06, 13,952,833.73 and 7,215,622.40 is: 9,947,202.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,121,276.06 : 13,952,833.73 = 7,215,622.40 : x
  2. Step 2: Convert to fraction form
    10,121,276.06/13,952,833.73 = 7,215,622.40/x
  3. Step 3: Cross multiply
    10,121,276.06x = 13,952,833.73 × 7,215,622.40
  4. Step 4: Simplify right side
    10,121,276.06x = 100,678,379,499,821.27
  5. Step 5: Solve for x
    x = 100,678,379,499,821.27/10,121,276.06
  6. Step 6: Final answer
    x = 9,947,202.21

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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.