Home / 37,701,467-52,028,712.34-20,957,778.76

Finding the Fourth Proportional to 37,701,467, 52,028,712.34 and 20,957,778.76

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Solution

The fourth proportional to 37,701,467, 52,028,712.34 and 20,957,778.76 is: 28,922,117.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,701,467 : 52,028,712.34 = 20,957,778.76 : x
  2. Step 2: Convert to fraction form
    37,701,467/52,028,712.34 = 20,957,778.76/x
  3. Step 3: Cross multiply
    37,701,467x = 52,028,712.34 × 20,957,778.76
  4. Step 4: Simplify right side
    37,701,467x = 1,090,406,242,389,402
  5. Step 5: Solve for x
    x = 1,090,406,242,389,402/37,701,467
  6. Step 6: Final answer
    x = 28,922,117.07

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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.