Home / 13,173,892-18,179,970.96-7,144,580

Finding the Fourth Proportional to 13,173,892, 18,179,970.96 and 7,144,580

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Solution

The fourth proportional to 13,173,892, 18,179,970.96 and 7,144,580 is: 9,859,520.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173,892 : 18,179,970.96 = 7,144,580 : x
  2. Step 2: Convert to fraction form
    13,173,892/18,179,970.96 = 7,144,580/x
  3. Step 3: Cross multiply
    13,173,892x = 18,179,970.96 × 7,144,580
  4. Step 4: Simplify right side
    13,173,892x = 129,888,256,921,396.81
  5. Step 5: Solve for x
    x = 129,888,256,921,396.81/13,173,892
  6. Step 6: Final answer
    x = 9,859,520.40

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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.