Home / 28,845,212.16-39,806,374.52-15,792,467.64

Finding the Fourth Proportional to 28,845,212.16, 39,806,374.52 and 15,792,467.64

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Solution

The fourth proportional to 28,845,212.16, 39,806,374.52 and 15,792,467.64 is: 21,793,595.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,845,212.16 : 39,806,374.52 = 15,792,467.64 : x
  2. Step 2: Convert to fraction form
    28,845,212.16/39,806,374.52 = 15,792,467.64/x
  3. Step 3: Cross multiply
    28,845,212.16x = 39,806,374.52 × 15,792,467.64
  4. Step 4: Simplify right side
    28,845,212.16x = 628,640,881,363,027.88
  5. Step 5: Solve for x
    x = 628,640,881,363,027.88/28,845,212.16
  6. Step 6: Final answer
    x = 21,793,595.34

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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.