Home / 19,161,877-28,747,550.22-5,698,648.84

Finding the Fourth Proportional to 19,161,877, 28,747,550.22 and 5,698,648.84

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Solution

The fourth proportional to 19,161,877, 28,747,550.22 and 5,698,648.84 is: 8,549,381.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,161,877 : 28,747,550.22 = 5,698,648.84 : x
  2. Step 2: Convert to fraction form
    19,161,877/28,747,550.22 = 5,698,648.84/x
  3. Step 3: Cross multiply
    19,161,877x = 28,747,550.22 × 5,698,648.84
  4. Step 4: Simplify right side
    19,161,877x = 163,822,193,714,044.72
  5. Step 5: Solve for x
    x = 163,822,193,714,044.72/19,161,877
  6. Step 6: Final answer
    x = 8,549,381.34

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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.