Home / 10,455,529.70-15,675,000.15-5,727,721.70

Finding the Fourth Proportional to 10,455,529.70, 15,675,000.15 and 5,727,721.70

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Solution

The fourth proportional to 10,455,529.70, 15,675,000.15 and 5,727,721.70 is: 8,587,038.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455,529.70 : 15,675,000.15 = 5,727,721.70 : x
  2. Step 2: Convert to fraction form
    10,455,529.70/15,675,000.15 = 5,727,721.70/x
  3. Step 3: Cross multiply
    10,455,529.70x = 15,675,000.15 × 5,727,721.70
  4. Step 4: Simplify right side
    10,455,529.70x = 89,782,038,506,658.27
  5. Step 5: Solve for x
    x = 89,782,038,506,658.27/10,455,529.70
  6. Step 6: Final answer
    x = 8,587,038.73

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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.