Home / 19,898,128.20-29,869,310.70-12,333,635.40

Finding the Fourth Proportional to 19,898,128.20, 29,869,310.70 and 12,333,635.40

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Solution

The fourth proportional to 19,898,128.20, 29,869,310.70 and 12,333,635.40 is: 18,514,162.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,898,128.20 : 29,869,310.70 = 12,333,635.40 : x
  2. Step 2: Convert to fraction form
    19,898,128.20/29,869,310.70 = 12,333,635.40/x
  3. Step 3: Cross multiply
    19,898,128.20x = 29,869,310.70 × 12,333,635.40
  4. Step 4: Simplify right side
    19,898,128.20x = 368,397,187,823,118.81
  5. Step 5: Solve for x
    x = 368,397,187,823,118.81/19,898,128.20
  6. Step 6: Final answer
    x = 18,514,162.95

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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.