Home / 15,292,511.42-21,103,664.59-8,323,238.94

Finding the Fourth Proportional to 15,292,511.42, 21,103,664.59 and 8,323,238.94

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Solution

The fourth proportional to 15,292,511.42, 21,103,664.59 and 8,323,238.94 is: 11,486,069.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,292,511.42 : 21,103,664.59 = 8,323,238.94 : x
  2. Step 2: Convert to fraction form
    15,292,511.42/21,103,664.59 = 8,323,238.94/x
  3. Step 3: Cross multiply
    15,292,511.42x = 21,103,664.59 × 8,323,238.94
  4. Step 4: Simplify right side
    15,292,511.42x = 175,650,842,850,570.97
  5. Step 5: Solve for x
    x = 175,650,842,850,570.97/15,292,511.42
  6. Step 6: Final answer
    x = 11,486,069.10

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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.