Home / 35,890,835.20-53,836,252.80-20,774,291.20

Finding the Fourth Proportional to 35,890,835.20, 53,836,252.80 and 20,774,291.20

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Solution

The fourth proportional to 35,890,835.20, 53,836,252.80 and 20,774,291.20 is: 31,161,436.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,890,835.20 : 53,836,252.80 = 20,774,291.20 : x
  2. Step 2: Convert to fraction form
    35,890,835.20/53,836,252.80 = 20,774,291.20/x
  3. Step 3: Cross multiply
    35,890,835.20x = 53,836,252.80 × 20,774,291.20
  4. Step 4: Simplify right side
    35,890,835.20x = 1,118,409,992,784,015.25
  5. Step 5: Solve for x
    x = 1,118,409,992,784,015.25/35,890,835.20
  6. Step 6: Final answer
    x = 31,161,436.80

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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.