Home / 26,428,605.42-39,642,831.36-7,259,380.86

Finding the Fourth Proportional to 26,428,605.42, 39,642,831.36 and 7,259,380.86

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Solution

The fourth proportional to 26,428,605.42, 39,642,831.36 and 7,259,380.86 is: 10,889,050.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,428,605.42 : 39,642,831.36 = 7,259,380.86 : x
  2. Step 2: Convert to fraction form
    26,428,605.42/39,642,831.36 = 7,259,380.86/x
  3. Step 3: Cross multiply
    26,428,605.42x = 39,642,831.36 × 7,259,380.86
  4. Step 4: Simplify right side
    26,428,605.42x = 287,782,411,210,991.75
  5. Step 5: Solve for x
    x = 287,782,411,210,991.75/26,428,605.42
  6. Step 6: Final answer
    x = 10,889,050.20

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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.