Home / 33,990,411.78-50,949,312.55-19,385,888.22

Finding the Fourth Proportional to 33,990,411.78, 50,949,312.55 and 19,385,888.22

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Solution

The fourth proportional to 33,990,411.78, 50,949,312.55 and 19,385,888.22 is: 29,058,126.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,990,411.78 : 50,949,312.55 = 19,385,888.22 : x
  2. Step 2: Convert to fraction form
    33,990,411.78/50,949,312.55 = 19,385,888.22/x
  3. Step 3: Cross multiply
    33,990,411.78x = 50,949,312.55 × 19,385,888.22
  4. Step 4: Simplify right side
    33,990,411.78x = 987,697,677,980,143
  5. Step 5: Solve for x
    x = 987,697,677,980,143/33,990,411.78
  6. Step 6: Final answer
    x = 29,058,126.28

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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.