Home / 31,129,364.47-42,958,074.54-17,191,309.33

Finding the Fourth Proportional to 31,129,364.47, 42,958,074.54 and 17,191,309.33

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Solution

The fourth proportional to 31,129,364.47, 42,958,074.54 and 17,191,309.33 is: 23,723,759.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,129,364.47 : 42,958,074.54 = 17,191,309.33 : x
  2. Step 2: Convert to fraction form
    31,129,364.47/42,958,074.54 = 17,191,309.33/x
  3. Step 3: Cross multiply
    31,129,364.47x = 42,958,074.54 × 17,191,309.33
  4. Step 4: Simplify right side
    31,129,364.47x = 738,505,547,638,337.38
  5. Step 5: Solve for x
    x = 738,505,547,638,337.38/31,129,364.47
  6. Step 6: Final answer
    x = 23,723,759.23

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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.