Home / 10,509,906.60-15,771,858.30-4,827,205.80

Finding the Fourth Proportional to 10,509,906.60, 15,771,858.30 and 4,827,205.80

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Solution

The fourth proportional to 10,509,906.60, 15,771,858.30 and 4,827,205.80 is: 7,244,023.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,509,906.60 : 15,771,858.30 = 4,827,205.80 : x
  2. Step 2: Convert to fraction form
    10,509,906.60/15,771,858.30 = 4,827,205.80/x
  3. Step 3: Cross multiply
    10,509,906.60x = 15,771,858.30 × 4,827,205.80
  4. Step 4: Simplify right side
    10,509,906.60x = 76,134,005,862,538.14
  5. Step 5: Solve for x
    x = 76,134,005,862,538.14/10,509,906.60
  6. Step 6: Final answer
    x = 7,244,023.07

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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.