Home / 8,615,089.60-12,922,519.20-2,631,486.40

Finding the Fourth Proportional to 8,615,089.60, 12,922,519.20 and 2,631,486.40

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Solution

The fourth proportional to 8,615,089.60, 12,922,519.20 and 2,631,486.40 is: 3,947,194.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,615,089.60 : 12,922,519.20 = 2,631,486.40 : x
  2. Step 2: Convert to fraction form
    8,615,089.60/12,922,519.20 = 2,631,486.40/x
  3. Step 3: Cross multiply
    8,615,089.60x = 12,922,519.20 × 2,631,486.40
  4. Step 4: Simplify right side
    8,615,089.60x = 34,005,433,528,538.88
  5. Step 5: Solve for x
    x = 34,005,433,528,538.88/8,615,089.60
  6. Step 6: Final answer
    x = 3,947,194.41

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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.