Home / 53,173,785.32-79,760,677.98-12,784,269.80

Finding the Fourth Proportional to 53,173,785.32, 79,760,677.98 and 12,784,269.80

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Solution

The fourth proportional to 53,173,785.32, 79,760,677.98 and 12,784,269.80 is: 19,176,404.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,173,785.32 : 79,760,677.98 = 12,784,269.80 : x
  2. Step 2: Convert to fraction form
    53,173,785.32/79,760,677.98 = 12,784,269.80/x
  3. Step 3: Cross multiply
    53,173,785.32x = 79,760,677.98 × 12,784,269.80
  4. Step 4: Simplify right side
    53,173,785.32x = 1,019,682,026,727,239.12
  5. Step 5: Solve for x
    x = 1,019,682,026,727,239.12/53,173,785.32
  6. Step 6: Final answer
    x = 19,176,404.70

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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.