Home / 13,301,740.53-18,356,393.61-7,190,169.03

Finding the Fourth Proportional to 13,301,740.53, 18,356,393.61 and 7,190,169.03

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Solution

The fourth proportional to 13,301,740.53, 18,356,393.61 and 7,190,169.03 is: 9,922,428.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301,740.53 : 18,356,393.61 = 7,190,169.03 : x
  2. Step 2: Convert to fraction form
    13,301,740.53/18,356,393.61 = 7,190,169.03/x
  3. Step 3: Cross multiply
    13,301,740.53x = 18,356,393.61 × 7,190,169.03
  4. Step 4: Simplify right side
    13,301,740.53x = 131,985,572,837,111.91
  5. Step 5: Solve for x
    x = 131,985,572,837,111.91/13,301,740.53
  6. Step 6: Final answer
    x = 9,922,428.76

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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.