Home / 13,793,274.38-19,035,309.22-7,681,702.88

Finding the Fourth Proportional to 13,793,274.38, 19,035,309.22 and 7,681,702.88

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Solution

The fourth proportional to 13,793,274.38, 19,035,309.22 and 7,681,702.88 is: 10,601,078.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,793,274.38 : 19,035,309.22 = 7,681,702.88 : x
  2. Step 2: Convert to fraction form
    13,793,274.38/19,035,309.22 = 7,681,702.88/x
  3. Step 3: Cross multiply
    13,793,274.38x = 19,035,309.22 × 7,681,702.88
  4. Step 4: Simplify right side
    13,793,274.38x = 146,223,589,656,964.53
  5. Step 5: Solve for x
    x = 146,223,589,656,964.53/13,793,274.38
  6. Step 6: Final answer
    x = 10,601,078.88

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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.