Home / 37,912,998-52,319,779.72-20,509,300.36

Finding the Fourth Proportional to 37,912,998, 52,319,779.72 and 20,509,300.36

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Solution

The fourth proportional to 37,912,998, 52,319,779.72 and 20,509,300.36 is: 28,302,749.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,912,998 : 52,319,779.72 = 20,509,300.36 : x
  2. Step 2: Convert to fraction form
    37,912,998/52,319,779.72 = 20,509,300.36/x
  3. Step 3: Cross multiply
    37,912,998x = 52,319,779.72 × 20,509,300.36
  4. Step 4: Simplify right side
    37,912,998x = 1,073,042,077,046,516.62
  5. Step 5: Solve for x
    x = 1,073,042,077,046,516.62/37,912,998
  6. Step 6: Final answer
    x = 28,302,749.29

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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.