Home / 10,378,871.24-15,569,792.60-3,191,008.59

Finding the Fourth Proportional to 10,378,871.24, 15,569,792.60 and 3,191,008.59

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Solution

The fourth proportional to 10,378,871.24, 15,569,792.60 and 3,191,008.59 is: 4,786,969.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378,871.24 : 15,569,792.60 = 3,191,008.59 : x
  2. Step 2: Convert to fraction form
    10,378,871.24/15,569,792.60 = 3,191,008.59/x
  3. Step 3: Cross multiply
    10,378,871.24x = 15,569,792.60 × 3,191,008.59
  4. Step 4: Simplify right side
    10,378,871.24x = 49,683,341,931,118.43
  5. Step 5: Solve for x
    x = 49,683,341,931,118.43/10,378,871.24
  6. Step 6: Final answer
    x = 4,786,969.68

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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.