Home / 21,262,575.20-31,893,862.80-5,909,835.20

Finding the Fourth Proportional to 21,262,575.20, 31,893,862.80 and 5,909,835.20

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Solution

The fourth proportional to 21,262,575.20, 31,893,862.80 and 5,909,835.20 is: 8,864,752.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,262,575.20 : 31,893,862.80 = 5,909,835.20 : x
  2. Step 2: Convert to fraction form
    21,262,575.20/31,893,862.80 = 5,909,835.20/x
  3. Step 3: Cross multiply
    21,262,575.20x = 31,893,862.80 × 5,909,835.20
  4. Step 4: Simplify right side
    21,262,575.20x = 188,487,473,039,410.56
  5. Step 5: Solve for x
    x = 188,487,473,039,410.56/21,262,575.20
  6. Step 6: Final answer
    x = 8,864,752.80

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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.