Home / 51,981,798-71,732,039.32-28,455,783.64

Finding the Fourth Proportional to 51,981,798, 71,732,039.32 and 28,455,783.64

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Solution

The fourth proportional to 51,981,798, 71,732,039.32 and 28,455,783.64 is: 39,267,425.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,981,798 : 71,732,039.32 = 28,455,783.64 : x
  2. Step 2: Convert to fraction form
    51,981,798/71,732,039.32 = 28,455,783.64/x
  3. Step 3: Cross multiply
    51,981,798x = 71,732,039.32 × 28,455,783.64
  4. Step 4: Simplify right side
    51,981,798x = 2,041,191,390,945,892.50
  5. Step 5: Solve for x
    x = 2,041,191,390,945,892.50/51,981,798
  6. Step 6: Final answer
    x = 39,267,425.70

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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.