Home / 13,605,214.85-18,774,487.91-8,448,466.49

Finding the Fourth Proportional to 13,605,214.85, 18,774,487.91 and 8,448,466.49

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Solution

The fourth proportional to 13,605,214.85, 18,774,487.91 and 8,448,466.49 is: 11,658,443.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,605,214.85 : 18,774,487.91 = 8,448,466.49 : x
  2. Step 2: Convert to fraction form
    13,605,214.85/18,774,487.91 = 8,448,466.49/x
  3. Step 3: Cross multiply
    13,605,214.85x = 18,774,487.91 × 8,448,466.49
  4. Step 4: Simplify right side
    13,605,214.85x = 158,615,631,932,302.81
  5. Step 5: Solve for x
    x = 158,615,631,932,302.81/13,605,214.85
  6. Step 6: Final answer
    x = 11,658,443.74

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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.