Home / 14,070,412.80-21,105,619.20-8,397,043.20

Finding the Fourth Proportional to 14,070,412.80, 21,105,619.20 and 8,397,043.20

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Solution

The fourth proportional to 14,070,412.80, 21,105,619.20 and 8,397,043.20 is: 12,595,564.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,070,412.80 : 21,105,619.20 = 8,397,043.20 : x
  2. Step 2: Convert to fraction form
    14,070,412.80/21,105,619.20 = 8,397,043.20/x
  3. Step 3: Cross multiply
    14,070,412.80x = 21,105,619.20 × 8,397,043.20
  4. Step 4: Simplify right side
    14,070,412.80x = 177,224,796,185,149.41
  5. Step 5: Solve for x
    x = 177,224,796,185,149.41/14,070,412.80
  6. Step 6: Final answer
    x = 12,595,564.80

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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.