Home / 13,605,393.69-18,775,442.25-7,493,822.19

Finding the Fourth Proportional to 13,605,393.69, 18,775,442.25 and 7,493,822.19

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Solution

The fourth proportional to 13,605,393.69, 18,775,442.25 and 7,493,822.19 is: 10,341,474.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,605,393.69 : 18,775,442.25 = 7,493,822.19 : x
  2. Step 2: Convert to fraction form
    13,605,393.69/18,775,442.25 = 7,493,822.19/x
  3. Step 3: Cross multiply
    13,605,393.69x = 18,775,442.25 × 7,493,822.19
  4. Step 4: Simplify right side
    13,605,393.69x = 140,699,825,760,113.53
  5. Step 5: Solve for x
    x = 140,699,825,760,113.53/13,605,393.69
  6. Step 6: Final answer
    x = 10,341,474.05

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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.