Home / 11,118,155.32-15,343,211.04-6,405,946.52

Finding the Fourth Proportional to 11,118,155.32, 15,343,211.04 and 6,405,946.52

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Solution

The fourth proportional to 11,118,155.32, 15,343,211.04 and 6,405,946.52 is: 8,840,296.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,118,155.32 : 15,343,211.04 = 6,405,946.52 : x
  2. Step 2: Convert to fraction form
    11,118,155.32/15,343,211.04 = 6,405,946.52/x
  3. Step 3: Cross multiply
    11,118,155.32x = 15,343,211.04 × 6,405,946.52
  4. Step 4: Simplify right side
    11,118,155.32x = 98,287,789,298,604.95
  5. Step 5: Solve for x
    x = 98,287,789,298,604.95/11,118,155.32
  6. Step 6: Final answer
    x = 8,840,296.47

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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.