Home / 11,271,742.20-15,556,469.43-6,312,071.76

Finding the Fourth Proportional to 11,271,742.20, 15,556,469.43 and 6,312,071.76

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Solution

The fourth proportional to 11,271,742.20, 15,556,469.43 and 6,312,071.76 is: 8,711,479.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,271,742.20 : 15,556,469.43 = 6,312,071.76 : x
  2. Step 2: Convert to fraction form
    11,271,742.20/15,556,469.43 = 6,312,071.76/x
  3. Step 3: Cross multiply
    11,271,742.20x = 15,556,469.43 × 6,312,071.76
  4. Step 4: Simplify right side
    11,271,742.20x = 98,193,551,374,406.30
  5. Step 5: Solve for x
    x = 98,193,551,374,406.30/11,271,742.20
  6. Step 6: Final answer
    x = 8,711,479.52

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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.