Home / 31,034,515.38-42,824,409.33-19,111,433.55

Finding the Fourth Proportional to 31,034,515.38, 42,824,409.33 and 19,111,433.55

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Solution

The fourth proportional to 31,034,515.38, 42,824,409.33 and 19,111,433.55 is: 26,371,794.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,034,515.38 : 42,824,409.33 = 19,111,433.55 : x
  2. Step 2: Convert to fraction form
    31,034,515.38/42,824,409.33 = 19,111,433.55/x
  3. Step 3: Cross multiply
    31,034,515.38x = 42,824,409.33 × 19,111,433.55
  4. Step 4: Simplify right side
    31,034,515.38x = 818,435,853,228,295
  5. Step 5: Solve for x
    x = 818,435,853,228,295/31,034,515.38
  6. Step 6: Final answer
    x = 26,371,794.22

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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.