Home / 12,580,347.75-18,868,419.54-3,483,364.92

Finding the Fourth Proportional to 12,580,347.75, 18,868,419.54 and 3,483,364.92

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Solution

The fourth proportional to 12,580,347.75, 18,868,419.54 and 3,483,364.92 is: 5,224,465.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,580,347.75 : 18,868,419.54 = 3,483,364.92 : x
  2. Step 2: Convert to fraction form
    12,580,347.75/18,868,419.54 = 3,483,364.92/x
  3. Step 3: Cross multiply
    12,580,347.75x = 18,868,419.54 × 3,483,364.92
  4. Step 4: Simplify right side
    12,580,347.75x = 65,725,590,721,478.53
  5. Step 5: Solve for x
    x = 65,725,590,721,478.53/12,580,347.75
  6. Step 6: Final answer
    x = 5,224,465.33

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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.