Home / 31,536,004.80-47,304,007.20-13,620,100.80

Finding the Fourth Proportional to 31,536,004.80, 47,304,007.20 and 13,620,100.80

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Solution

The fourth proportional to 31,536,004.80, 47,304,007.20 and 13,620,100.80 is: 20,430,151.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,536,004.80 : 47,304,007.20 = 13,620,100.80 : x
  2. Step 2: Convert to fraction form
    31,536,004.80/47,304,007.20 = 13,620,100.80/x
  3. Step 3: Cross multiply
    31,536,004.80x = 47,304,007.20 × 13,620,100.80
  4. Step 4: Simplify right side
    31,536,004.80x = 644,285,346,307,925.88
  5. Step 5: Solve for x
    x = 644,285,346,307,925.88/31,536,004.80
  6. Step 6: Final answer
    x = 20,430,151.20

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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.