Home / 13,020,781.49-19,527,183.37-9,003,087.53

Finding the Fourth Proportional to 13,020,781.49, 19,527,183.37 and 9,003,087.53

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Solution

The fourth proportional to 13,020,781.49, 19,527,183.37 and 9,003,087.53 is: 13,501,873.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,020,781.49 : 19,527,183.37 = 9,003,087.53 : x
  2. Step 2: Convert to fraction form
    13,020,781.49/19,527,183.37 = 9,003,087.53/x
  3. Step 3: Cross multiply
    13,020,781.49x = 19,527,183.37 × 9,003,087.53
  4. Step 4: Simplify right side
    13,020,781.49x = 175,804,941,081,315.25
  5. Step 5: Solve for x
    x = 175,804,941,081,315.25/13,020,781.49
  6. Step 6: Final answer
    x = 13,501,873.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.