Home / 10,629,689.60-15,946,867.20-5,240,921.60

Finding the Fourth Proportional to 10,629,689.60, 15,946,867.20 and 5,240,921.60

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Solution

The fourth proportional to 10,629,689.60, 15,946,867.20 and 5,240,921.60 is: 7,862,532.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,629,689.60 : 15,946,867.20 = 5,240,921.60 : x
  2. Step 2: Convert to fraction form
    10,629,689.60/15,946,867.20 = 5,240,921.60/x
  3. Step 3: Cross multiply
    10,629,689.60x = 15,946,867.20 × 5,240,921.60
  4. Step 4: Simplify right side
    10,629,689.60x = 83,576,280,760,811.52
  5. Step 5: Solve for x
    x = 83,576,280,760,811.52/10,629,689.60
  6. Step 6: Final answer
    x = 7,862,532.58

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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.