Home / 17,658,051.90-26,487,077.85-12,556,218.30

Finding the Fourth Proportional to 17,658,051.90, 26,487,077.85 and 12,556,218.30

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Solution

The fourth proportional to 17,658,051.90, 26,487,077.85 and 12,556,218.30 is: 18,834,327.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,658,051.90 : 26,487,077.85 = 12,556,218.30 : x
  2. Step 2: Convert to fraction form
    17,658,051.90/26,487,077.85 = 12,556,218.30/x
  3. Step 3: Cross multiply
    17,658,051.90x = 26,487,077.85 × 12,556,218.30
  4. Step 4: Simplify right side
    17,658,051.90x = 332,577,531,613,694.69
  5. Step 5: Solve for x
    x = 332,577,531,613,694.69/17,658,051.90
  6. Step 6: Final answer
    x = 18,834,327.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.