Home / 9,921,675.52-13,688,455.20-6,250,920

Finding the Fourth Proportional to 9,921,675.52, 13,688,455.20 and 6,250,920

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Solution

The fourth proportional to 9,921,675.52, 13,688,455.20 and 6,250,920 is: 8,624,091.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,921,675.52 : 13,688,455.20 = 6,250,920 : x
  2. Step 2: Convert to fraction form
    9,921,675.52/13,688,455.20 = 6,250,920/x
  3. Step 3: Cross multiply
    9,921,675.52x = 13,688,455.20 × 6,250,920
  4. Step 4: Simplify right side
    9,921,675.52x = 85,565,438,378,784
  5. Step 5: Solve for x
    x = 85,565,438,378,784/9,921,675.52
  6. Step 6: Final answer
    x = 8,624,091.59

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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.