Home / 19,335,999.80-28,970,822.10-9,216,831.80

Finding the Fourth Proportional to 19,335,999.80, 28,970,822.10 and 9,216,831.80

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Solution

The fourth proportional to 19,335,999.80, 28,970,822.10 and 9,216,831.80 is: 13,809,433.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,335,999.80 : 28,970,822.10 = 9,216,831.80 : x
  2. Step 2: Convert to fraction form
    19,335,999.80/28,970,822.10 = 9,216,831.80/x
  3. Step 3: Cross multiply
    19,335,999.80x = 28,970,822.10 × 9,216,831.80
  4. Step 4: Simplify right side
    19,335,999.80x = 267,019,194,403,422.81
  5. Step 5: Solve for x
    x = 267,019,194,403,422.81/19,335,999.80
  6. Step 6: Final answer
    x = 13,809,433.04

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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.