Home / 20,725,378.40-31,088,067.60-16,395,701.60

Finding the Fourth Proportional to 20,725,378.40, 31,088,067.60 and 16,395,701.60

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Solution

The fourth proportional to 20,725,378.40, 31,088,067.60 and 16,395,701.60 is: 24,593,552.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,725,378.40 : 31,088,067.60 = 16,395,701.60 : x
  2. Step 2: Convert to fraction form
    20,725,378.40/31,088,067.60 = 16,395,701.60/x
  3. Step 3: Cross multiply
    20,725,378.40x = 31,088,067.60 × 16,395,701.60
  4. Step 4: Simplify right side
    20,725,378.40x = 509,710,679,690,228.19
  5. Step 5: Solve for x
    x = 509,710,679,690,228.19/20,725,378.40
  6. Step 6: Final answer
    x = 24,593,552.40

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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.