Home / 19,430,206.80-29,145,310.20-13,756,837.20

Finding the Fourth Proportional to 19,430,206.80, 29,145,310.20 and 13,756,837.20

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Solution

The fourth proportional to 19,430,206.80, 29,145,310.20 and 13,756,837.20 is: 20,635,255.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,430,206.80 : 29,145,310.20 = 13,756,837.20 : x
  2. Step 2: Convert to fraction form
    19,430,206.80/29,145,310.20 = 13,756,837.20/x
  3. Step 3: Cross multiply
    19,430,206.80x = 29,145,310.20 × 13,756,837.20
  4. Step 4: Simplify right side
    19,430,206.80x = 400,947,287,564,899.44
  5. Step 5: Solve for x
    x = 400,947,287,564,899.44/19,430,206.80
  6. Step 6: Final answer
    x = 20,635,255.80

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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.