Home / 28,356,664.60-42,566,489.70-15,602,080.60

Finding the Fourth Proportional to 28,356,664.60, 42,566,489.70 and 15,602,080.60

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Solution

The fourth proportional to 28,356,664.60, 42,566,489.70 and 15,602,080.60 is: 23,420,448.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,356,664.60 : 42,566,489.70 = 15,602,080.60 : x
  2. Step 2: Convert to fraction form
    28,356,664.60/42,566,489.70 = 15,602,080.60/x
  3. Step 3: Cross multiply
    28,356,664.60x = 42,566,489.70 × 15,602,080.60
  4. Step 4: Simplify right side
    28,356,664.60x = 664,125,803,158,469.88
  5. Step 5: Solve for x
    x = 664,125,803,158,469.88/28,356,664.60
  6. Step 6: Final answer
    x = 23,420,448.51

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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.