Home / 15,035,425.54-20,748,898.02-8,159,907.60

Finding the Fourth Proportional to 15,035,425.54, 20,748,898.02 and 8,159,907.60

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Solution

The fourth proportional to 15,035,425.54, 20,748,898.02 and 8,159,907.60 is: 11,260,678.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,035,425.54 : 20,748,898.02 = 8,159,907.60 : x
  2. Step 2: Convert to fraction form
    15,035,425.54/20,748,898.02 = 8,159,907.60/x
  3. Step 3: Cross multiply
    15,035,425.54x = 20,748,898.02 × 8,159,907.60
  4. Step 4: Simplify right side
    15,035,425.54x = 169,309,090,645,022.94
  5. Step 5: Solve for x
    x = 169,309,090,645,022.94/15,035,425.54
  6. Step 6: Final answer
    x = 11,260,678.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.