Home / 19,620,072-29,421,520.38-9,898,703.92

Finding the Fourth Proportional to 19,620,072, 29,421,520.38 and 9,898,703.92

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Solution

The fourth proportional to 19,620,072, 29,421,520.38 and 9,898,703.92 is: 14,843,723.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,620,072 : 29,421,520.38 = 9,898,703.92 : x
  2. Step 2: Convert to fraction form
    19,620,072/29,421,520.38 = 9,898,703.92/x
  3. Step 3: Cross multiply
    19,620,072x = 29,421,520.38 × 9,898,703.92
  4. Step 4: Simplify right side
    19,620,072x = 291,234,919,117,865.88
  5. Step 5: Solve for x
    x = 291,234,919,117,865.88/19,620,072
  6. Step 6: Final answer
    x = 14,843,723.26

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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.