Home / 51,812,644.64-71,501,709.84-28,607,816.48

Finding the Fourth Proportional to 51,812,644.64, 71,501,709.84 and 28,607,816.48

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Solution

The fourth proportional to 51,812,644.64, 71,501,709.84 and 28,607,816.48 is: 39,478,930.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,812,644.64 : 71,501,709.84 = 28,607,816.48 : x
  2. Step 2: Convert to fraction form
    51,812,644.64/71,501,709.84 = 28,607,816.48/x
  3. Step 3: Cross multiply
    51,812,644.64x = 71,501,709.84 × 28,607,816.48
  4. Step 4: Simplify right side
    51,812,644.64x = 2,045,507,793,108,930.25
  5. Step 5: Solve for x
    x = 2,045,507,793,108,930.25/51,812,644.64
  6. Step 6: Final answer
    x = 39,478,930.43

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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.