Home / 20,633,948.92-28,444,838.52-14,419,702.60

Finding the Fourth Proportional to 20,633,948.92, 28,444,838.52 and 14,419,702.60

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Solution

The fourth proportional to 20,633,948.92, 28,444,838.52 and 14,419,702.60 is: 19,878,216.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,633,948.92 : 28,444,838.52 = 14,419,702.60 : x
  2. Step 2: Convert to fraction form
    20,633,948.92/28,444,838.52 = 14,419,702.60/x
  3. Step 3: Cross multiply
    20,633,948.92x = 28,444,838.52 × 14,419,702.60
  4. Step 4: Simplify right side
    20,633,948.92x = 410,166,111,963,424.12
  5. Step 5: Solve for x
    x = 410,166,111,963,424.12/20,633,948.92
  6. Step 6: Final answer
    x = 19,878,216.89

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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.