Home / 53,295,516.20-79,943,274.30-12,906,000.20

Finding the Fourth Proportional to 53,295,516.20, 79,943,274.30 and 12,906,000.20

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Solution

The fourth proportional to 53,295,516.20, 79,943,274.30 and 12,906,000.20 is: 19,359,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,295,516.20 : 79,943,274.30 = 12,906,000.20 : x
  2. Step 2: Convert to fraction form
    53,295,516.20/79,943,274.30 = 12,906,000.20/x
  3. Step 3: Cross multiply
    53,295,516.20x = 79,943,274.30 × 12,906,000.20
  4. Step 4: Simplify right side
    53,295,516.20x = 1,031,747,914,104,454.75
  5. Step 5: Solve for x
    x = 1,031,747,914,104,454.75/53,295,516.20
  6. Step 6: Final answer
    x = 19,359,000.30

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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.