Home / 13,306,515.70-19,960,429.65-6,929,223.70

Finding the Fourth Proportional to 13,306,515.70, 19,960,429.65 and 6,929,223.70

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Solution

The fourth proportional to 13,306,515.70, 19,960,429.65 and 6,929,223.70 is: 10,394,177.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306,515.70 : 19,960,429.65 = 6,929,223.70 : x
  2. Step 2: Convert to fraction form
    13,306,515.70/19,960,429.65 = 6,929,223.70/x
  3. Step 3: Cross multiply
    13,306,515.70x = 19,960,429.65 × 6,929,223.70
  4. Step 4: Simplify right side
    13,306,515.70x = 138,310,282,192,962.70
  5. Step 5: Solve for x
    x = 138,310,282,192,962.70/13,306,515.70
  6. Step 6: Final answer
    x = 10,394,177.21

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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.