Home / 11,925,643.60-17,888,465.40-3,947,467.60

Finding the Fourth Proportional to 11,925,643.60, 17,888,465.40 and 3,947,467.60

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Solution

The fourth proportional to 11,925,643.60, 17,888,465.40 and 3,947,467.60 is: 5,921,201.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,925,643.60 : 17,888,465.40 = 3,947,467.60 : x
  2. Step 2: Convert to fraction form
    11,925,643.60/17,888,465.40 = 3,947,467.60/x
  3. Step 3: Cross multiply
    11,925,643.60x = 17,888,465.40 × 3,947,467.60
  4. Step 4: Simplify right side
    11,925,643.60x = 70,614,137,580,221.03
  5. Step 5: Solve for x
    x = 70,614,137,580,221.03/11,925,643.60
  6. Step 6: Final answer
    x = 5,921,201.40

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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.