Home / 14,059,116.80-21,072,086.40-10,509,113.60

Finding the Fourth Proportional to 14,059,116.80, 21,072,086.40 and 10,509,113.60

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Solution

The fourth proportional to 14,059,116.80, 21,072,086.40 and 10,509,113.60 is: 15,751,270.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,059,116.80 : 21,072,086.40 = 10,509,113.60 : x
  2. Step 2: Convert to fraction form
    14,059,116.80/21,072,086.40 = 10,509,113.60/x
  3. Step 3: Cross multiply
    14,059,116.80x = 21,072,086.40 × 10,509,113.60
  4. Step 4: Simplify right side
    14,059,116.80x = 221,448,949,766,615.03
  5. Step 5: Solve for x
    x = 221,448,949,766,615.03/14,059,116.80
  6. Step 6: Final answer
    x = 15,751,270.36

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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.