Home / 11,720,268.18-17,586,404.10-5,579,199.72

Finding the Fourth Proportional to 11,720,268.18, 17,586,404.10 and 5,579,199.72

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Solution

The fourth proportional to 11,720,268.18, 17,586,404.10 and 5,579,199.72 is: 8,371,656.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,720,268.18 : 17,586,404.10 = 5,579,199.72 : x
  2. Step 2: Convert to fraction form
    11,720,268.18/17,586,404.10 = 5,579,199.72/x
  3. Step 3: Cross multiply
    11,720,268.18x = 17,586,404.10 × 5,579,199.72
  4. Step 4: Simplify right side
    11,720,268.18x = 98,118,060,830,526.86
  5. Step 5: Solve for x
    x = 98,118,060,830,526.86/11,720,268.18
  6. Step 6: Final answer
    x = 8,371,656.63

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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.