Home / 13,617,807.08-18,792,008.30-7,422,717.47

Finding the Fourth Proportional to 13,617,807.08, 18,792,008.30 and 7,422,717.47

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Solution

The fourth proportional to 13,617,807.08, 18,792,008.30 and 7,422,717.47 is: 10,243,041.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,617,807.08 : 18,792,008.30 = 7,422,717.47 : x
  2. Step 2: Convert to fraction form
    13,617,807.08/18,792,008.30 = 7,422,717.47/x
  3. Step 3: Cross multiply
    13,617,807.08x = 18,792,008.30 × 7,422,717.47
  4. Step 4: Simplify right side
    13,617,807.08x = 139,487,768,229,391.73
  5. Step 5: Solve for x
    x = 139,487,768,229,391.73/13,617,807.08
  6. Step 6: Final answer
    x = 10,243,041.88

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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.