Home / 12,689,606.72-19,041,608.98-6,853,720.22

Finding the Fourth Proportional to 12,689,606.72, 19,041,608.98 and 6,853,720.22

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Solution

The fourth proportional to 12,689,606.72, 19,041,608.98 and 6,853,720.22 is: 10,284,468.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,689,606.72 : 19,041,608.98 = 6,853,720.22 : x
  2. Step 2: Convert to fraction form
    12,689,606.72/19,041,608.98 = 6,853,720.22/x
  3. Step 3: Cross multiply
    12,689,606.72x = 19,041,608.98 × 6,853,720.22
  4. Step 4: Simplify right side
    12,689,606.72x = 130,505,860,487,559.58
  5. Step 5: Solve for x
    x = 130,505,860,487,559.58/12,689,606.72
  6. Step 6: Final answer
    x = 10,284,468.49

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1.5x scale

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.