Home / 13,044,574.05-18,003,172.94-7,887,972.50

Finding the Fourth Proportional to 13,044,574.05, 18,003,172.94 and 7,887,972.50

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Solution

The fourth proportional to 13,044,574.05, 18,003,172.94 and 7,887,972.50 is: 10,886,406.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,044,574.05 : 18,003,172.94 = 7,887,972.50 : x
  2. Step 2: Convert to fraction form
    13,044,574.05/18,003,172.94 = 7,887,972.50/x
  3. Step 3: Cross multiply
    13,044,574.05x = 18,003,172.94 × 7,887,972.50
  4. Step 4: Simplify right side
    13,044,574.05x = 142,008,533,063,464.16
  5. Step 5: Solve for x
    x = 142,008,533,063,464.16/13,044,574.05
  6. Step 6: Final answer
    x = 10,886,406.30

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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.