Home / 13,225,349.22-18,253,667.00-7,643,832.81

Finding the Fourth Proportional to 13,225,349.22, 18,253,667.00 and 7,643,832.81

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Solution

The fourth proportional to 13,225,349.22, 18,253,667.00 and 7,643,832.81 is: 10,550,041.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,225,349.22 : 18,253,667.00 = 7,643,832.81 : x
  2. Step 2: Convert to fraction form
    13,225,349.22/18,253,667.00 = 7,643,832.81/x
  3. Step 3: Cross multiply
    13,225,349.22x = 18,253,667.00 × 7,643,832.81
  4. Step 4: Simplify right side
    13,225,349.22x = 139,527,978,679,195.11
  5. Step 5: Solve for x
    x = 139,527,978,679,195.11/13,225,349.22
  6. Step 6: Final answer
    x = 10,550,041.16

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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.