Home / 28,255,527.09-42,375,702.42-7,780,371.93

Finding the Fourth Proportional to 28,255,527.09, 42,375,702.42 and 7,780,371.93

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Solution

The fourth proportional to 28,255,527.09, 42,375,702.42 and 7,780,371.93 is: 11,668,468.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,255,527.09 : 42,375,702.42 = 7,780,371.93 : x
  2. Step 2: Convert to fraction form
    28,255,527.09/42,375,702.42 = 7,780,371.93/x
  3. Step 3: Cross multiply
    28,255,527.09x = 42,375,702.42 × 7,780,371.93
  4. Step 4: Simplify right side
    28,255,527.09x = 329,698,725,622,601.06
  5. Step 5: Solve for x
    x = 329,698,725,622,601.06/28,255,527.09
  6. Step 6: Final answer
    x = 11,668,468.42

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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.