Home / 28,970,041.60-43,392,076.80-17,590,643.20

Finding the Fourth Proportional to 28,970,041.60, 43,392,076.80 and 17,590,643.20

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Solution

The fourth proportional to 28,970,041.60, 43,392,076.80 and 17,590,643.20 is: 26,347,719.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,970,041.60 : 43,392,076.80 = 17,590,643.20 : x
  2. Step 2: Convert to fraction form
    28,970,041.60/43,392,076.80 = 17,590,643.20/x
  3. Step 3: Cross multiply
    28,970,041.60x = 43,392,076.80 × 17,590,643.20
  4. Step 4: Simplify right side
    28,970,041.60x = 763,294,540,695,797.62
  5. Step 5: Solve for x
    x = 763,294,540,695,797.62/28,970,041.60
  6. Step 6: Final answer
    x = 26,347,719.87

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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.