Home / 13,510,188-18,638,551.44-7,999,466.40

Finding the Fourth Proportional to 13,510,188, 18,638,551.44 and 7,999,466.40

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Solution

The fourth proportional to 13,510,188, 18,638,551.44 and 7,999,466.40 is: 11,036,002.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,510,188 : 18,638,551.44 = 7,999,466.40 : x
  2. Step 2: Convert to fraction form
    13,510,188/18,638,551.44 = 7,999,466.40/x
  3. Step 3: Cross multiply
    13,510,188x = 18,638,551.44 × 7,999,466.40
  4. Step 4: Simplify right side
    13,510,188x = 149,098,465,988,951.62
  5. Step 5: Solve for x
    x = 149,098,465,988,951.62/13,510,188
  6. Step 6: Final answer
    x = 11,036,002.31

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1.5x scale

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.