Home / 7,250,434.62-10,005,856.74-3,987,501.71

Finding the Fourth Proportional to 7,250,434.62, 10,005,856.74 and 3,987,501.71

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Solution

The fourth proportional to 7,250,434.62, 10,005,856.74 and 3,987,501.71 is: 5,502,893.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,250,434.62 : 10,005,856.74 = 3,987,501.71 : x
  2. Step 2: Convert to fraction form
    7,250,434.62/10,005,856.74 = 3,987,501.71/x
  3. Step 3: Cross multiply
    7,250,434.62x = 10,005,856.74 × 3,987,501.71
  4. Step 4: Simplify right side
    7,250,434.62x = 39,898,370,810,735.74
  5. Step 5: Solve for x
    x = 39,898,370,810,735.74/7,250,434.62
  6. Step 6: Final answer
    x = 5,502,893.67

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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.