Home / 18,456,858.30-27,685,287.45-13,355,024.70

Finding the Fourth Proportional to 18,456,858.30, 27,685,287.45 and 13,355,024.70

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Solution

The fourth proportional to 18,456,858.30, 27,685,287.45 and 13,355,024.70 is: 20,032,537.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,456,858.30 : 27,685,287.45 = 13,355,024.70 : x
  2. Step 2: Convert to fraction form
    18,456,858.30/27,685,287.45 = 13,355,024.70/x
  3. Step 3: Cross multiply
    18,456,858.30x = 27,685,287.45 × 13,355,024.70
  4. Step 4: Simplify right side
    18,456,858.30x = 369,737,697,721,350
  5. Step 5: Solve for x
    x = 369,737,697,721,350/18,456,858.30
  6. Step 6: Final answer
    x = 20,032,537.05

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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.