Home / 53,173,784.32-79,760,676.48-12,784,268.80

Finding the Fourth Proportional to 53,173,784.32, 79,760,676.48 and 12,784,268.80

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Solution

The fourth proportional to 53,173,784.32, 79,760,676.48 and 12,784,268.80 is: 19,176,403.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,173,784.32 : 79,760,676.48 = 12,784,268.80 : x
  2. Step 2: Convert to fraction form
    53,173,784.32/79,760,676.48 = 12,784,268.80/x
  3. Step 3: Cross multiply
    53,173,784.32x = 79,760,676.48 × 12,784,268.80
  4. Step 4: Simplify right side
    53,173,784.32x = 1,019,681,927,790,157.88
  5. Step 5: Solve for x
    x = 1,019,681,927,790,157.88/53,173,784.32
  6. Step 6: Final answer
    x = 19,176,403.20

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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.