Home / 15,651,790.20-23,477,685.30-4,292,220.60

Finding the Fourth Proportional to 15,651,790.20, 23,477,685.30 and 4,292,220.60

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Solution

The fourth proportional to 15,651,790.20, 23,477,685.30 and 4,292,220.60 is: 6,438,330.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,651,790.20 : 23,477,685.30 = 4,292,220.60 : x
  2. Step 2: Convert to fraction form
    15,651,790.20/23,477,685.30 = 4,292,220.60/x
  3. Step 3: Cross multiply
    15,651,790.20x = 23,477,685.30 × 4,292,220.60
  4. Step 4: Simplify right side
    15,651,790.20x = 100,771,404,484,977.17
  5. Step 5: Solve for x
    x = 100,771,404,484,977.17/15,651,790.20
  6. Step 6: Final answer
    x = 6,438,330.90

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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.