Home / 20,002,007.70-30,003,011.55-19,683,143.10

Finding the Fourth Proportional to 20,002,007.70, 30,003,011.55 and 19,683,143.10

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Solution

The fourth proportional to 20,002,007.70, 30,003,011.55 and 19,683,143.10 is: 29,524,714.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,002,007.70 : 30,003,011.55 = 19,683,143.10 : x
  2. Step 2: Convert to fraction form
    20,002,007.70/30,003,011.55 = 19,683,143.10/x
  3. Step 3: Cross multiply
    20,002,007.70x = 30,003,011.55 × 19,683,143.10
  4. Step 4: Simplify right side
    20,002,007.70x = 590,553,569,769,602.88
  5. Step 5: Solve for x
    x = 590,553,569,769,602.88/20,002,007.70
  6. Step 6: Final answer
    x = 29,524,714.65

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1.5x scale

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.