Home / 13,026,251.10-17,978,378.88-7,226,901.24

Finding the Fourth Proportional to 13,026,251.10, 17,978,378.88 and 7,226,901.24

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Solution

The fourth proportional to 13,026,251.10, 17,978,378.88 and 7,226,901.24 is: 9,974,317.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,026,251.10 : 17,978,378.88 = 7,226,901.24 : x
  2. Step 2: Convert to fraction form
    13,026,251.10/17,978,378.88 = 7,226,901.24/x
  3. Step 3: Cross multiply
    13,026,251.10x = 17,978,378.88 × 7,226,901.24
  4. Step 4: Simplify right side
    13,026,251.10x = 129,927,968,621,061.81
  5. Step 5: Solve for x
    x = 129,927,968,621,061.81/13,026,251.10
  6. Step 6: Final answer
    x = 9,974,317.83

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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.