Home / 12,689,597.21-19,041,594.72-6,853,710.72

Finding the Fourth Proportional to 12,689,597.21, 19,041,594.72 and 6,853,710.72

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Solution

The fourth proportional to 12,689,597.21, 19,041,594.72 and 6,853,710.72 is: 10,284,454.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,689,597.21 : 19,041,594.72 = 6,853,710.72 : x
  2. Step 2: Convert to fraction form
    12,689,597.21/19,041,594.72 = 6,853,710.72/x
  3. Step 3: Cross multiply
    12,689,597.21x = 19,041,594.72 × 6,853,710.72
  4. Step 4: Simplify right side
    12,689,597.21x = 130,505,581,858,359.39
  5. Step 5: Solve for x
    x = 130,505,581,858,359.39/12,689,597.21
  6. Step 6: Final answer
    x = 10,284,454.25

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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.