Home / 13,044,568.79-18,003,165.68-7,887,967.25

Finding the Fourth Proportional to 13,044,568.79, 18,003,165.68 and 7,887,967.25

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Solution

The fourth proportional to 13,044,568.79, 18,003,165.68 and 7,887,967.25 is: 10,886,399.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,044,568.79 : 18,003,165.68 = 7,887,967.25 : x
  2. Step 2: Convert to fraction form
    13,044,568.79/18,003,165.68 = 7,887,967.25/x
  3. Step 3: Cross multiply
    13,044,568.79x = 18,003,165.68 × 7,887,967.25
  4. Step 4: Simplify right side
    13,044,568.79x = 142,008,381,209,868.09
  5. Step 5: Solve for x
    x = 142,008,381,209,868.09/13,044,568.79
  6. Step 6: Final answer
    x = 10,886,399.04

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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.