Home / 15,979,089.60-23,968,634.40-7,021,137.60

Finding the Fourth Proportional to 15,979,089.60, 23,968,634.40 and 7,021,137.60

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Solution

The fourth proportional to 15,979,089.60, 23,968,634.40 and 7,021,137.60 is: 10,531,706.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,979,089.60 : 23,968,634.40 = 7,021,137.60 : x
  2. Step 2: Convert to fraction form
    15,979,089.60/23,968,634.40 = 7,021,137.60/x
  3. Step 3: Cross multiply
    15,979,089.60x = 23,968,634.40 × 7,021,137.60
  4. Step 4: Simplify right side
    15,979,089.60x = 168,287,080,206,493.41
  5. Step 5: Solve for x
    x = 168,287,080,206,493.41/15,979,089.60
  6. Step 6: Final answer
    x = 10,531,706.40

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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.