Home / 9,266,168.72-12,787,304.28-5,191,816.88

Finding the Fourth Proportional to 9,266,168.72, 12,787,304.28 and 5,191,816.88

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Solution

The fourth proportional to 9,266,168.72, 12,787,304.28 and 5,191,816.88 is: 7,164,702.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,266,168.72 : 12,787,304.28 = 5,191,816.88 : x
  2. Step 2: Convert to fraction form
    9,266,168.72/12,787,304.28 = 5,191,816.88/x
  3. Step 3: Cross multiply
    9,266,168.72x = 12,787,304.28 × 5,191,816.88
  4. Step 4: Simplify right side
    9,266,168.72x = 66,389,342,210,600.24
  5. Step 5: Solve for x
    x = 66,389,342,210,600.24/9,266,168.72
  6. Step 6: Final answer
    x = 7,164,702.50

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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.