Home / 20,345,667.58-28,077,054.55-11,053,274.07

Finding the Fourth Proportional to 20,345,667.58, 28,077,054.55 and 11,053,274.07

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Solution

The fourth proportional to 20,345,667.58, 28,077,054.55 and 11,053,274.07 is: 15,253,536.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,345,667.58 : 28,077,054.55 = 11,053,274.07 : x
  2. Step 2: Convert to fraction form
    20,345,667.58/28,077,054.55 = 11,053,274.07/x
  3. Step 3: Cross multiply
    20,345,667.58x = 28,077,054.55 × 11,053,274.07
  4. Step 4: Simplify right side
    20,345,667.58x = 310,343,379,159,321
  5. Step 5: Solve for x
    x = 310,343,379,159,321/20,345,667.58
  6. Step 6: Final answer
    x = 15,253,536.31

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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.