Home / 19,885,649.39-29,828,490.83-9,508,426.88

Finding the Fourth Proportional to 19,885,649.39, 29,828,490.83 and 9,508,426.88

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Solution

The fourth proportional to 19,885,649.39, 29,828,490.83 and 9,508,426.88 is: 14,262,648.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,885,649.39 : 29,828,490.83 = 9,508,426.88 : x
  2. Step 2: Convert to fraction form
    19,885,649.39/29,828,490.83 = 9,508,426.88/x
  3. Step 3: Cross multiply
    19,885,649.39x = 29,828,490.83 × 9,508,426.88
  4. Step 4: Simplify right side
    19,885,649.39x = 283,622,023,801,120.94
  5. Step 5: Solve for x
    x = 283,622,023,801,120.94/19,885,649.39
  6. Step 6: Final answer
    x = 14,262,648.32

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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.