Home / 20,830,392.30-31,240,922.85-13,692,024.30

Finding the Fourth Proportional to 20,830,392.30, 31,240,922.85 and 13,692,024.30

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Solution

The fourth proportional to 20,830,392.30, 31,240,922.85 and 13,692,024.30 is: 20,534,969.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,830,392.30 : 31,240,922.85 = 13,692,024.30 : x
  2. Step 2: Convert to fraction form
    20,830,392.30/31,240,922.85 = 13,692,024.30/x
  3. Step 3: Cross multiply
    20,830,392.30x = 31,240,922.85 × 13,692,024.30
  4. Step 4: Simplify right side
    20,830,392.30x = 427,751,474,816,625.31
  5. Step 5: Solve for x
    x = 427,751,474,816,625.31/20,830,392.30
  6. Step 6: Final answer
    x = 20,534,969.70

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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.