Home / 21,063,045.60-31,594,568.40-8,276,968.80

Finding the Fourth Proportional to 21,063,045.60, 31,594,568.40 and 8,276,968.80

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Solution

The fourth proportional to 21,063,045.60, 31,594,568.40 and 8,276,968.80 is: 12,415,453.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,063,045.60 : 31,594,568.40 = 8,276,968.80 : x
  2. Step 2: Convert to fraction form
    21,063,045.60/31,594,568.40 = 8,276,968.80/x
  3. Step 3: Cross multiply
    21,063,045.60x = 31,594,568.40 × 8,276,968.80
  4. Step 4: Simplify right side
    21,063,045.60x = 261,507,256,896,265.91
  5. Step 5: Solve for x
    x = 261,507,256,896,265.91/21,063,045.60
  6. Step 6: Final answer
    x = 12,415,453.20

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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.