Home / 30,574,763.31-42,191,908.36-16,636,175.79

Finding the Fourth Proportional to 30,574,763.31, 42,191,908.36 and 16,636,175.79

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Solution

The fourth proportional to 30,574,763.31, 42,191,908.36 and 16,636,175.79 is: 22,957,234.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,574,763.31 : 42,191,908.36 = 16,636,175.79 : x
  2. Step 2: Convert to fraction form
    30,574,763.31/42,191,908.36 = 16,636,175.79/x
  3. Step 3: Cross multiply
    30,574,763.31x = 42,191,908.36 × 16,636,175.79
  4. Step 4: Simplify right side
    30,574,763.31x = 701,912,004,192,720.62
  5. Step 5: Solve for x
    x = 701,912,004,192,720.62/30,574,763.31
  6. Step 6: Final answer
    x = 22,957,234.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.