Home / 14,722,134.90-20,303,320.25-9,216,011.70

Finding the Fourth Proportional to 14,722,134.90, 20,303,320.25 and 9,216,011.70

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Solution

The fourth proportional to 14,722,134.90, 20,303,320.25 and 9,216,011.70 is: 12,709,816.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,722,134.90 : 20,303,320.25 = 9,216,011.70 : x
  2. Step 2: Convert to fraction form
    14,722,134.90/20,303,320.25 = 9,216,011.70/x
  3. Step 3: Cross multiply
    14,722,134.90x = 20,303,320.25 × 9,216,011.70
  4. Step 4: Simplify right side
    14,722,134.90x = 187,115,636,926,766.88
  5. Step 5: Solve for x
    x = 187,115,636,926,766.88/14,722,134.90
  6. Step 6: Final answer
    x = 12,709,816.76

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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.