Home / 19,960,054.70-29,940,082.05-18,700,342.70

Finding the Fourth Proportional to 19,960,054.70, 29,940,082.05 and 18,700,342.70

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Solution

The fourth proportional to 19,960,054.70, 29,940,082.05 and 18,700,342.70 is: 28,050,514.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,960,054.70 : 29,940,082.05 = 18,700,342.70 : x
  2. Step 2: Convert to fraction form
    19,960,054.70/29,940,082.05 = 18,700,342.70/x
  3. Step 3: Cross multiply
    19,960,054.70x = 29,940,082.05 × 18,700,342.70
  4. Step 4: Simplify right side
    19,960,054.70x = 559,889,794,801,118.50
  5. Step 5: Solve for x
    x = 559,889,794,801,118.50/19,960,054.70
  6. Step 6: Final answer
    x = 28,050,514.05

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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.