Home / 51,380,412.48-70,907,013.63-28,176,371.64

Finding the Fourth Proportional to 51,380,412.48, 70,907,013.63 and 28,176,371.64

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Solution

The fourth proportional to 51,380,412.48, 70,907,013.63 and 28,176,371.64 is: 38,884,513.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,380,412.48 : 70,907,013.63 = 28,176,371.64 : x
  2. Step 2: Convert to fraction form
    51,380,412.48/70,907,013.63 = 28,176,371.64/x
  3. Step 3: Cross multiply
    51,380,412.48x = 70,907,013.63 × 28,176,371.64
  4. Step 4: Simplify right side
    51,380,412.48x = 1,997,902,367,921,425.25
  5. Step 5: Solve for x
    x = 1,997,902,367,921,425.25/51,380,412.48
  6. Step 6: Final answer
    x = 38,884,513.99

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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.