Home / 15,702,477.24-21,666,215.41-9,174,844.18

Finding the Fourth Proportional to 15,702,477.24, 21,666,215.41 and 9,174,844.18

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Solution

The fourth proportional to 15,702,477.24, 21,666,215.41 and 9,174,844.18 is: 12,659,413.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,702,477.24 : 21,666,215.41 = 9,174,844.18 : x
  2. Step 2: Convert to fraction form
    15,702,477.24/21,666,215.41 = 9,174,844.18/x
  3. Step 3: Cross multiply
    15,702,477.24x = 21,666,215.41 × 9,174,844.18
  4. Step 4: Simplify right side
    15,702,477.24x = 198,784,150,357,064.81
  5. Step 5: Solve for x
    x = 198,784,150,357,064.81/15,702,477.24
  6. Step 6: Final answer
    x = 12,659,413.37

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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.