Home / 12,731,648.20-19,069,478.70-11,052,032.20

Finding the Fourth Proportional to 12,731,648.20, 19,069,478.70 and 11,052,032.20

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Solution

The fourth proportional to 12,731,648.20, 19,069,478.70 and 11,052,032.20 is: 16,553,747.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,731,648.20 : 19,069,478.70 = 11,052,032.20 : x
  2. Step 2: Convert to fraction form
    12,731,648.20/19,069,478.70 = 11,052,032.20/x
  3. Step 3: Cross multiply
    12,731,648.20x = 19,069,478.70 × 11,052,032.20
  4. Step 4: Simplify right side
    12,731,648.20x = 210,756,492,629,614.12
  5. Step 5: Solve for x
    x = 210,756,492,629,614.12/12,731,648.20
  6. Step 6: Final answer
    x = 16,553,747.74

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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.