Home / 10,309,951.50-15,461,039.25-8,283,214.86

Finding the Fourth Proportional to 10,309,951.50, 15,461,039.25 and 8,283,214.86

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Solution

The fourth proportional to 10,309,951.50, 15,461,039.25 and 8,283,214.86 is: 12,421,698.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,309,951.50 : 15,461,039.25 = 8,283,214.86 : x
  2. Step 2: Convert to fraction form
    10,309,951.50/15,461,039.25 = 8,283,214.86/x
  3. Step 3: Cross multiply
    10,309,951.50x = 15,461,039.25 × 8,283,214.86
  4. Step 4: Simplify right side
    10,309,951.50x = 128,067,110,066,643.27
  5. Step 5: Solve for x
    x = 128,067,110,066,643.27/10,309,951.50
  6. Step 6: Final answer
    x = 12,421,698.60

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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.