Home / 31,245,434.32-43,119,144.48-18,014,349.49

Finding the Fourth Proportional to 31,245,434.32, 43,119,144.48 and 18,014,349.49

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Solution

The fourth proportional to 31,245,434.32, 43,119,144.48 and 18,014,349.49 is: 24,860,058.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,245,434.32 : 43,119,144.48 = 18,014,349.49 : x
  2. Step 2: Convert to fraction form
    31,245,434.32/43,119,144.48 = 18,014,349.49/x
  3. Step 3: Cross multiply
    31,245,434.32x = 43,119,144.48 × 18,014,349.49
  4. Step 4: Simplify right side
    31,245,434.32x = 776,763,338,156,928.50
  5. Step 5: Solve for x
    x = 776,763,338,156,928.50/31,245,434.32
  6. Step 6: Final answer
    x = 24,860,058.92

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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.