Home / 9,215,451.76-12,717,328.84-5,141,070.76

Finding the Fourth Proportional to 9,215,451.76, 12,717,328.84 and 5,141,070.76

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Solution

The fourth proportional to 9,215,451.76, 12,717,328.84 and 5,141,070.76 is: 7,094,680.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,215,451.76 : 12,717,328.84 = 5,141,070.76 : x
  2. Step 2: Convert to fraction form
    9,215,451.76/12,717,328.84 = 5,141,070.76/x
  3. Step 3: Cross multiply
    9,215,451.76x = 12,717,328.84 × 5,141,070.76
  4. Step 4: Simplify right side
    9,215,451.76x = 65,380,687,444,628.71
  5. Step 5: Solve for x
    x = 65,380,687,444,628.71/9,215,451.76
  6. Step 6: Final answer
    x = 7,094,680.67

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1.5x scale

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.