Home / 19,947,069.72-29,920,612.77-4,801,001.22

Finding the Fourth Proportional to 19,947,069.72, 29,920,612.77 and 4,801,001.22

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Solution

The fourth proportional to 19,947,069.72, 29,920,612.77 and 4,801,001.22 is: 7,201,503.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,947,069.72 : 29,920,612.77 = 4,801,001.22 : x
  2. Step 2: Convert to fraction form
    19,947,069.72/29,920,612.77 = 4,801,001.22/x
  3. Step 3: Cross multiply
    19,947,069.72x = 29,920,612.77 × 4,801,001.22
  4. Step 4: Simplify right side
    19,947,069.72x = 143,648,898,411,917.56
  5. Step 5: Solve for x
    x = 143,648,898,411,917.56/19,947,069.72
  6. Step 6: Final answer
    x = 7,201,503.80

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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.