Home / 11,388,431.95-15,715,993.53-6,161,423.38

Finding the Fourth Proportional to 11,388,431.95, 15,715,993.53 and 6,161,423.38

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Solution

The fourth proportional to 11,388,431.95, 15,715,993.53 and 6,161,423.38 is: 8,502,741.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,388,431.95 : 15,715,993.53 = 6,161,423.38 : x
  2. Step 2: Convert to fraction form
    11,388,431.95/15,715,993.53 = 6,161,423.38/x
  3. Step 3: Cross multiply
    11,388,431.95x = 15,715,993.53 × 6,161,423.38
  4. Step 4: Simplify right side
    11,388,431.95x = 96,832,889,975,670.72
  5. Step 5: Solve for x
    x = 96,832,889,975,670.72/11,388,431.95
  6. Step 6: Final answer
    x = 8,502,741.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.