Home / 47,856,031.80-71,784,047.70-19,106,604.60

Finding the Fourth Proportional to 47,856,031.80, 71,784,047.70 and 19,106,604.60

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Solution

The fourth proportional to 47,856,031.80, 71,784,047.70 and 19,106,604.60 is: 28,659,906.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,856,031.80 : 71,784,047.70 = 19,106,604.60 : x
  2. Step 2: Convert to fraction form
    47,856,031.80/71,784,047.70 = 19,106,604.60/x
  3. Step 3: Cross multiply
    47,856,031.80x = 71,784,047.70 × 19,106,604.60
  4. Step 4: Simplify right side
    47,856,031.80x = 1,371,549,415,991,439.50
  5. Step 5: Solve for x
    x = 1,371,549,415,991,439.50/47,856,031.80
  6. Step 6: Final answer
    x = 28,659,906.90

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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.