Home / 12,879,445.08-19,319,829.38-3,294,906.76

Finding the Fourth Proportional to 12,879,445.08, 19,319,829.38 and 3,294,906.76

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Solution

The fourth proportional to 12,879,445.08, 19,319,829.38 and 3,294,906.76 is: 4,942,529.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,879,445.08 : 19,319,829.38 = 3,294,906.76 : x
  2. Step 2: Convert to fraction form
    12,879,445.08/19,319,829.38 = 3,294,906.76/x
  3. Step 3: Cross multiply
    12,879,445.08x = 19,319,829.38 × 3,294,906.76
  4. Step 4: Simplify right side
    12,879,445.08x = 63,657,036,426,208.60
  5. Step 5: Solve for x
    x = 63,657,036,426,208.60/12,879,445.08
  6. Step 6: Final answer
    x = 4,942,529.44

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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.