Home / 15,761,829.48-23,642,744.28-12,172,831.32

Finding the Fourth Proportional to 15,761,829.48, 23,642,744.28 and 12,172,831.32

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Solution

The fourth proportional to 15,761,829.48, 23,642,744.28 and 12,172,831.32 is: 18,259,247.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,761,829.48 : 23,642,744.28 = 12,172,831.32 : x
  2. Step 2: Convert to fraction form
    15,761,829.48/23,642,744.28 = 12,172,831.32/x
  3. Step 3: Cross multiply
    15,761,829.48x = 23,642,744.28 × 12,172,831.32
  4. Step 4: Simplify right side
    15,761,829.48x = 287,799,138,062,334.88
  5. Step 5: Solve for x
    x = 287,799,138,062,334.88/15,761,829.48
  6. Step 6: Final answer
    x = 18,259,247.03

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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.