Home / 14,970,783.83-20,659,981.30-8,443,135.58

Finding the Fourth Proportional to 14,970,783.83, 20,659,981.30 and 8,443,135.58

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Solution

The fourth proportional to 14,970,783.83, 20,659,981.30 and 8,443,135.58 is: 11,651,696.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,970,783.83 : 20,659,981.30 = 8,443,135.58 : x
  2. Step 2: Convert to fraction form
    14,970,783.83/20,659,981.30 = 8,443,135.58/x
  3. Step 3: Cross multiply
    14,970,783.83x = 20,659,981.30 × 8,443,135.58
  4. Step 4: Simplify right side
    14,970,783.83x = 174,435,023,071,756.88
  5. Step 5: Solve for x
    x = 174,435,023,071,756.88/14,970,783.83
  6. Step 6: Final answer
    x = 11,651,696.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.