Home / 13,850,999.40-20,776,499.10-6,658,831.20

Finding the Fourth Proportional to 13,850,999.40, 20,776,499.10 and 6,658,831.20

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Solution

The fourth proportional to 13,850,999.40, 20,776,499.10 and 6,658,831.20 is: 9,988,246.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,850,999.40 : 20,776,499.10 = 6,658,831.20 : x
  2. Step 2: Convert to fraction form
    13,850,999.40/20,776,499.10 = 6,658,831.20/x
  3. Step 3: Cross multiply
    13,850,999.40x = 20,776,499.10 × 6,658,831.20
  4. Step 4: Simplify right side
    13,850,999.40x = 138,347,200,433,851.94
  5. Step 5: Solve for x
    x = 138,347,200,433,851.94/13,850,999.40
  6. Step 6: Final answer
    x = 9,988,246.80

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1.5x scale

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.