Home / 30,881,419.72-46,322,462.22-9,316,208.32

Finding the Fourth Proportional to 30,881,419.72, 46,322,462.22 and 9,316,208.32

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Solution

The fourth proportional to 30,881,419.72, 46,322,462.22 and 9,316,208.32 is: 13,974,412.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,881,419.72 : 46,322,462.22 = 9,316,208.32 : x
  2. Step 2: Convert to fraction form
    30,881,419.72/46,322,462.22 = 9,316,208.32/x
  3. Step 3: Cross multiply
    30,881,419.72x = 46,322,462.22 × 9,316,208.32
  4. Step 4: Simplify right side
    30,881,419.72x = 431,549,707,936,849.69
  5. Step 5: Solve for x
    x = 431,549,707,936,849.69/30,881,419.72
  6. Step 6: Final answer
    x = 13,974,412.83

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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.