Home / 13,510,189-18,638,552.82-7,999,467.40

Finding the Fourth Proportional to 13,510,189, 18,638,552.82 and 7,999,467.40

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Solution

The fourth proportional to 13,510,189, 18,638,552.82 and 7,999,467.40 is: 11,036,003.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,510,189 : 18,638,552.82 = 7,999,467.40 : x
  2. Step 2: Convert to fraction form
    13,510,189/18,638,552.82 = 7,999,467.40/x
  3. Step 3: Cross multiply
    13,510,189x = 18,638,552.82 × 7,999,467.40
  4. Step 4: Simplify right side
    13,510,189x = 149,098,495,666,768.06
  5. Step 5: Solve for x
    x = 149,098,495,666,768.06/13,510,189
  6. Step 6: Final answer
    x = 11,036,003.69

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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.