Home / 17,393,109.30-26,089,663.95-12,291,275.70

Finding the Fourth Proportional to 17,393,109.30, 26,089,663.95 and 12,291,275.70

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Solution

The fourth proportional to 17,393,109.30, 26,089,663.95 and 12,291,275.70 is: 18,436,913.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,393,109.30 : 26,089,663.95 = 12,291,275.70 : x
  2. Step 2: Convert to fraction form
    17,393,109.30/26,089,663.95 = 12,291,275.70/x
  3. Step 3: Cross multiply
    17,393,109.30x = 26,089,663.95 × 12,291,275.70
  4. Step 4: Simplify right side
    17,393,109.30x = 320,675,252,529,801
  5. Step 5: Solve for x
    x = 320,675,252,529,801/17,393,109.30
  6. Step 6: Final answer
    x = 18,436,913.55

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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.