Home / 21,063,049.60-31,594,574.40-8,276,972.80

Finding the Fourth Proportional to 21,063,049.60, 31,594,574.40 and 8,276,972.80

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Solution

The fourth proportional to 21,063,049.60, 31,594,574.40 and 8,276,972.80 is: 12,415,459.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,063,049.60 : 31,594,574.40 = 8,276,972.80 : x
  2. Step 2: Convert to fraction form
    21,063,049.60/31,594,574.40 = 8,276,972.80/x
  3. Step 3: Cross multiply
    21,063,049.60x = 31,594,574.40 × 8,276,972.80
  4. Step 4: Simplify right side
    21,063,049.60x = 261,507,432,936,376.31
  5. Step 5: Solve for x
    x = 261,507,432,936,376.31/21,063,049.60
  6. Step 6: Final answer
    x = 12,415,459.20

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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.