Home / 30,610,795.88-45,918,837.66-7,891,501.16

Finding the Fourth Proportional to 30,610,795.88, 45,918,837.66 and 7,891,501.16

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Solution

The fourth proportional to 30,610,795.88, 45,918,837.66 and 7,891,501.16 is: 11,837,933.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,610,795.88 : 45,918,837.66 = 7,891,501.16 : x
  2. Step 2: Convert to fraction form
    30,610,795.88/45,918,837.66 = 7,891,501.16/x
  3. Step 3: Cross multiply
    30,610,795.88x = 45,918,837.66 × 7,891,501.16
  4. Step 4: Simplify right side
    30,610,795.88x = 362,368,560,659,741.69
  5. Step 5: Solve for x
    x = 362,368,560,659,741.69/30,610,795.88
  6. Step 6: Final answer
    x = 11,837,933.33

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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.