Home / 20,453,145.60-30,672,460.80-9,073,228.80

Finding the Fourth Proportional to 20,453,145.60, 30,672,460.80 and 9,073,228.80

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Solution

The fourth proportional to 20,453,145.60, 30,672,460.80 and 9,073,228.80 is: 13,606,623.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,453,145.60 : 30,672,460.80 = 9,073,228.80 : x
  2. Step 2: Convert to fraction form
    20,453,145.60/30,672,460.80 = 9,073,228.80/x
  3. Step 3: Cross multiply
    20,453,145.60x = 30,672,460.80 × 9,073,228.80
  4. Step 4: Simplify right side
    20,453,145.60x = 278,298,254,697,431.06
  5. Step 5: Solve for x
    x = 278,298,254,697,431.06/20,453,145.60
  6. Step 6: Final answer
    x = 13,606,623.65

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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.