Home / 17,393,123.80-26,089,685.70-12,291,290.20

Finding the Fourth Proportional to 17,393,123.80, 26,089,685.70 and 12,291,290.20

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Solution

The fourth proportional to 17,393,123.80, 26,089,685.70 and 12,291,290.20 is: 18,436,935.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,393,123.80 : 26,089,685.70 = 12,291,290.20 : x
  2. Step 2: Convert to fraction form
    17,393,123.80/26,089,685.70 = 12,291,290.20/x
  3. Step 3: Cross multiply
    17,393,123.80x = 26,089,685.70 × 12,291,290.20
  4. Step 4: Simplify right side
    17,393,123.80x = 320,675,898,165,490.12
  5. Step 5: Solve for x
    x = 320,675,898,165,490.12/17,393,123.80
  6. Step 6: Final answer
    x = 18,436,935.30

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1.5x scale

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.