Home / 13,028,182.14-17,977,440.02-7,225,509.80

Finding the Fourth Proportional to 13,028,182.14, 17,977,440.02 and 7,225,509.80

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Solution

The fourth proportional to 13,028,182.14, 17,977,440.02 and 7,225,509.80 is: 9,970,398.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,028,182.14 : 17,977,440.02 = 7,225,509.80 : x
  2. Step 2: Convert to fraction form
    13,028,182.14/17,977,440.02 = 7,225,509.80/x
  3. Step 3: Cross multiply
    13,028,182.14x = 17,977,440.02 × 7,225,509.80
  4. Step 4: Simplify right side
    13,028,182.14x = 129,896,169,043,422.19
  5. Step 5: Solve for x
    x = 129,896,169,043,422.19/13,028,182.14
  6. Step 6: Final answer
    x = 9,970,398.61

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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.