Home / 37,787,375.90-52,144,901.35-21,042,979.22

Finding the Fourth Proportional to 37,787,375.90, 52,144,901.35 and 21,042,979.22

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Solution

The fourth proportional to 37,787,375.90, 52,144,901.35 and 21,042,979.22 is: 29,038,377.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,787,375.90 : 52,144,901.35 = 21,042,979.22 : x
  2. Step 2: Convert to fraction form
    37,787,375.90/52,144,901.35 = 21,042,979.22/x
  3. Step 3: Cross multiply
    37,787,375.90x = 52,144,901.35 × 21,042,979.22
  4. Step 4: Simplify right side
    37,787,375.90x = 1,097,284,075,536,999.88
  5. Step 5: Solve for x
    x = 1,097,284,075,536,999.88/37,787,375.90
  6. Step 6: Final answer
    x = 29,038,377.22

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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.