Home / 18,634,318.76-25,714,687.57-10,374,168.80

Finding the Fourth Proportional to 18,634,318.76, 25,714,687.57 and 10,374,168.80

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Solution

The fourth proportional to 18,634,318.76, 25,714,687.57 and 10,374,168.80 is: 14,315,978.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,634,318.76 : 25,714,687.57 = 10,374,168.80 : x
  2. Step 2: Convert to fraction form
    18,634,318.76/25,714,687.57 = 10,374,168.80/x
  3. Step 3: Cross multiply
    18,634,318.76x = 25,714,687.57 × 10,374,168.80
  4. Step 4: Simplify right side
    18,634,318.76x = 266,768,509,490,441.84
  5. Step 5: Solve for x
    x = 266,768,509,490,441.84/18,634,318.76
  6. Step 6: Final answer
    x = 14,315,978.65

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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.