Home / 13,514,831.84-18,650,471.28-7,403,477.60

Finding the Fourth Proportional to 13,514,831.84, 18,650,471.28 and 7,403,477.60

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Solution

The fourth proportional to 13,514,831.84, 18,650,471.28 and 7,403,477.60 is: 10,216,800.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,514,831.84 : 18,650,471.28 = 7,403,477.60 : x
  2. Step 2: Convert to fraction form
    13,514,831.84/18,650,471.28 = 7,403,477.60/x
  3. Step 3: Cross multiply
    13,514,831.84x = 18,650,471.28 × 7,403,477.60
  4. Step 4: Simplify right side
    13,514,831.84x = 138,078,346,350,923.33
  5. Step 5: Solve for x
    x = 138,078,346,350,923.33/13,514,831.84
  6. Step 6: Final answer
    x = 10,216,800.92

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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.