Home / 7,866,309.06-10,856,541.69-4,429,219.86

Finding the Fourth Proportional to 7,866,309.06, 10,856,541.69 and 4,429,219.86

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Solution

The fourth proportional to 7,866,309.06, 10,856,541.69 and 4,429,219.86 is: 6,112,906.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,866,309.06 : 10,856,541.69 = 4,429,219.86 : x
  2. Step 2: Convert to fraction form
    7,866,309.06/10,856,541.69 = 4,429,219.86/x
  3. Step 3: Cross multiply
    7,866,309.06x = 10,856,541.69 × 4,429,219.86
  4. Step 4: Simplify right side
    7,866,309.06x = 48,086,010,064,265.96
  5. Step 5: Solve for x
    x = 48,086,010,064,265.96/7,866,309.06
  6. Step 6: Final answer
    x = 6,112,906.28

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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.