Home / 12,879,446.08-19,319,830.88-3,294,907.76

Finding the Fourth Proportional to 12,879,446.08, 19,319,830.88 and 3,294,907.76

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Solution

The fourth proportional to 12,879,446.08, 19,319,830.88 and 3,294,907.76 is: 4,942,530.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,879,446.08 : 19,319,830.88 = 3,294,907.76 : x
  2. Step 2: Convert to fraction form
    12,879,446.08/19,319,830.88 = 3,294,907.76/x
  3. Step 3: Cross multiply
    12,879,446.08x = 19,319,830.88 × 3,294,907.76
  4. Step 4: Simplify right side
    12,879,446.08x = 63,657,060,688,399.62
  5. Step 5: Solve for x
    x = 63,657,060,688,399.62/12,879,446.08
  6. Step 6: Final answer
    x = 4,942,530.94

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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.