Home / 33,642,072.72-46,426,079.03-18,172,157.51

Finding the Fourth Proportional to 33,642,072.72, 46,426,079.03 and 18,172,157.51

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Solution

The fourth proportional to 33,642,072.72, 46,426,079.03 and 18,172,157.51 is: 25,077,587.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,642,072.72 : 46,426,079.03 = 18,172,157.51 : x
  2. Step 2: Convert to fraction form
    33,642,072.72/46,426,079.03 = 18,172,157.51/x
  3. Step 3: Cross multiply
    33,642,072.72x = 46,426,079.03 × 18,172,157.51
  4. Step 4: Simplify right side
    33,642,072.72x = 843,662,020,704,868.12
  5. Step 5: Solve for x
    x = 843,662,020,704,868.12/33,642,072.72
  6. Step 6: Final answer
    x = 25,077,587.45

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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.