Home / 40,479,979.94-60,719,922.72-13,186,228.64

Finding the Fourth Proportional to 40,479,979.94, 60,719,922.72 and 13,186,228.64

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Solution

The fourth proportional to 40,479,979.94, 60,719,922.72 and 13,186,228.64 is: 19,779,327.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,479,979.94 : 60,719,922.72 = 13,186,228.64 : x
  2. Step 2: Convert to fraction form
    40,479,979.94/60,719,922.72 = 13,186,228.64/x
  3. Step 3: Cross multiply
    40,479,979.94x = 60,719,922.72 × 13,186,228.64
  4. Step 4: Simplify right side
    40,479,979.94x = 800,666,783,989,050.75
  5. Step 5: Solve for x
    x = 800,666,783,989,050.75/40,479,979.94
  6. Step 6: Final answer
    x = 19,779,327.59

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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.