Home / 20,453,412.60-30,684,990.45-7,674,028.02

Finding the Fourth Proportional to 20,453,412.60, 30,684,990.45 and 7,674,028.02

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Solution

The fourth proportional to 20,453,412.60, 30,684,990.45 and 7,674,028.02 is: 11,512,869.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,453,412.60 : 30,684,990.45 = 7,674,028.02 : x
  2. Step 2: Convert to fraction form
    20,453,412.60/30,684,990.45 = 7,674,028.02/x
  3. Step 3: Cross multiply
    20,453,412.60x = 30,684,990.45 × 7,674,028.02
  4. Step 4: Simplify right side
    20,453,412.60x = 235,477,476,506,732.38
  5. Step 5: Solve for x
    x = 235,477,476,506,732.38/20,453,412.60
  6. Step 6: Final answer
    x = 11,512,869.81

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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.