Home / 6,146,811.40-9,199,221.90-5,390,984.20

Finding the Fourth Proportional to 6,146,811.40, 9,199,221.90 and 5,390,984.20

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Solution

The fourth proportional to 6,146,811.40, 9,199,221.90 and 5,390,984.20 is: 8,068,062.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,146,811.40 : 9,199,221.90 = 5,390,984.20 : x
  2. Step 2: Convert to fraction form
    6,146,811.40/9,199,221.90 = 5,390,984.20/x
  3. Step 3: Cross multiply
    6,146,811.40x = 9,199,221.90 × 5,390,984.20
  4. Step 4: Simplify right side
    6,146,811.40x = 49,592,859,915,193.98
  5. Step 5: Solve for x
    x = 49,592,859,915,193.98/6,146,811.40
  6. Step 6: Final answer
    x = 8,068,062.72

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1.5x scale

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.