Home / 31,536,139.20-47,304,208.80-8,507,029.20

Finding the Fourth Proportional to 31,536,139.20, 47,304,208.80 and 8,507,029.20

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Solution

The fourth proportional to 31,536,139.20, 47,304,208.80 and 8,507,029.20 is: 12,760,543.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,536,139.20 : 47,304,208.80 = 8,507,029.20 : x
  2. Step 2: Convert to fraction form
    31,536,139.20/47,304,208.80 = 8,507,029.20/x
  3. Step 3: Cross multiply
    31,536,139.20x = 47,304,208.80 × 8,507,029.20
  4. Step 4: Simplify right side
    31,536,139.20x = 402,418,285,544,496.88
  5. Step 5: Solve for x
    x = 402,418,285,544,496.88/31,536,139.20
  6. Step 6: Final answer
    x = 12,760,543.80

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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.