Home / 13,157,138.16-19,697,222.86-7,675,471.86

Finding the Fourth Proportional to 13,157,138.16, 19,697,222.86 and 7,675,471.86

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Solution

The fourth proportional to 13,157,138.16, 19,697,222.86 and 7,675,471.86 is: 11,490,757.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,157,138.16 : 19,697,222.86 = 7,675,471.86 : x
  2. Step 2: Convert to fraction form
    13,157,138.16/19,697,222.86 = 7,675,471.86/x
  3. Step 3: Cross multiply
    13,157,138.16x = 19,697,222.86 × 7,675,471.86
  4. Step 4: Simplify right side
    13,157,138.16x = 151,185,479,797,741.59
  5. Step 5: Solve for x
    x = 151,185,479,797,741.59/13,157,138.16
  6. Step 6: Final answer
    x = 11,490,757.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.