Home / 13,605,477.96-18,775,557.90-7,493,906.46

Finding the Fourth Proportional to 13,605,477.96, 18,775,557.90 and 7,493,906.46

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Solution

The fourth proportional to 13,605,477.96, 18,775,557.90 and 7,493,906.46 is: 10,341,589.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,605,477.96 : 18,775,557.90 = 7,493,906.46 : x
  2. Step 2: Convert to fraction form
    13,605,477.96/18,775,557.90 = 7,493,906.46/x
  3. Step 3: Cross multiply
    13,605,477.96x = 18,775,557.90 × 7,493,906.46
  4. Step 4: Simplify right side
    13,605,477.96x = 140,702,274,636,914.02
  5. Step 5: Solve for x
    x = 140,702,274,636,914.02/13,605,477.96
  6. Step 6: Final answer
    x = 10,341,589.99

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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.