Home / 8,688,931.92-13,042,932.60-6,903,293.52

Finding the Fourth Proportional to 8,688,931.92, 13,042,932.60 and 6,903,293.52

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Solution

The fourth proportional to 8,688,931.92, 13,042,932.60 and 6,903,293.52 is: 10,362,515.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,688,931.92 : 13,042,932.60 = 6,903,293.52 : x
  2. Step 2: Convert to fraction form
    8,688,931.92/13,042,932.60 = 6,903,293.52/x
  3. Step 3: Cross multiply
    8,688,931.92x = 13,042,932.60 × 6,903,293.52
  4. Step 4: Simplify right side
    8,688,931.92x = 90,039,192,099,376.75
  5. Step 5: Solve for x
    x = 90,039,192,099,376.75/8,688,931.92
  6. Step 6: Final answer
    x = 10,362,515.55

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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.