Home / 39,020,312.58-53,851,338.10-21,622,115.22

Finding the Fourth Proportional to 39,020,312.58, 53,851,338.10 and 21,622,115.22

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Solution

The fourth proportional to 39,020,312.58, 53,851,338.10 and 21,622,115.22 is: 29,840,351.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,020,312.58 : 53,851,338.10 = 21,622,115.22 : x
  2. Step 2: Convert to fraction form
    39,020,312.58/53,851,338.10 = 21,622,115.22/x
  3. Step 3: Cross multiply
    39,020,312.58x = 53,851,338.10 × 21,622,115.22
  4. Step 4: Simplify right side
    39,020,312.58x = 1,164,379,837,149,375.75
  5. Step 5: Solve for x
    x = 1,164,379,837,149,375.75/39,020,312.58
  6. Step 6: Final answer
    x = 29,840,351.35

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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.