Home / 31,290,672.12-43,181,058.12-17,351,682.72

Finding the Fourth Proportional to 31,290,672.12, 43,181,058.12 and 17,351,682.72

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Solution

The fourth proportional to 31,290,672.12, 43,181,058.12 and 17,351,682.72 is: 23,945,283.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,290,672.12 : 43,181,058.12 = 17,351,682.72 : x
  2. Step 2: Convert to fraction form
    31,290,672.12/43,181,058.12 = 17,351,682.72/x
  3. Step 3: Cross multiply
    31,290,672.12x = 43,181,058.12 × 17,351,682.72
  4. Step 4: Simplify right side
    31,290,672.12x = 749,264,020,012,119.62
  5. Step 5: Solve for x
    x = 749,264,020,012,119.62/31,290,672.12
  6. Step 6: Final answer
    x = 23,945,283.67

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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.