Home / 13,134,677.49-19,702,015.20-6,656,743.86

Finding the Fourth Proportional to 13,134,677.49, 19,702,015.20 and 6,656,743.86

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Solution

The fourth proportional to 13,134,677.49, 19,702,015.20 and 6,656,743.86 is: 9,985,115.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,134,677.49 : 19,702,015.20 = 6,656,743.86 : x
  2. Step 2: Convert to fraction form
    13,134,677.49/19,702,015.20 = 6,656,743.86/x
  3. Step 3: Cross multiply
    13,134,677.49x = 19,702,015.20 × 6,656,743.86
  4. Step 4: Simplify right side
    13,134,677.49x = 131,151,268,712,226.67
  5. Step 5: Solve for x
    x = 131,151,268,712,226.67/13,134,677.49
  6. Step 6: Final answer
    x = 9,985,115.27

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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.