Home / 6,500,678.45-8,956,491.70-4,291,606.92

Finding the Fourth Proportional to 6,500,678.45, 8,956,491.70 and 4,291,606.92

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Solution

The fourth proportional to 6,500,678.45, 8,956,491.70 and 4,291,606.92 is: 5,912,881.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,500,678.45 : 8,956,491.70 = 4,291,606.92 : x
  2. Step 2: Convert to fraction form
    6,500,678.45/8,956,491.70 = 4,291,606.92/x
  3. Step 3: Cross multiply
    6,500,678.45x = 8,956,491.70 × 4,291,606.92
  4. Step 4: Simplify right side
    6,500,678.45x = 38,437,741,772,753.73
  5. Step 5: Solve for x
    x = 38,437,741,772,753.73/6,500,678.45
  6. Step 6: Final answer
    x = 5,912,881.57

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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.