Home / 15,838,149.78-21,845,355.84-14,535,600.36

Finding the Fourth Proportional to 15,838,149.78, 21,845,355.84 and 14,535,600.36

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Solution

The fourth proportional to 15,838,149.78, 21,845,355.84 and 14,535,600.36 is: 20,048,766.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,838,149.78 : 21,845,355.84 = 14,535,600.36 : x
  2. Step 2: Convert to fraction form
    15,838,149.78/21,845,355.84 = 14,535,600.36/x
  3. Step 3: Cross multiply
    15,838,149.78x = 21,845,355.84 × 14,535,600.36
  4. Step 4: Simplify right side
    15,838,149.78x = 317,535,362,212,232.06
  5. Step 5: Solve for x
    x = 317,535,362,212,232.06/15,838,149.78
  6. Step 6: Final answer
    x = 20,048,766.21

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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.