Home / 21,021,052.86-29,023,396.68-13,596,711.39

Finding the Fourth Proportional to 21,021,052.86, 29,023,396.68 and 13,596,711.39

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Solution

The fourth proportional to 21,021,052.86, 29,023,396.68 and 13,596,711.39 is: 18,772,739.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,021,052.86 : 29,023,396.68 = 13,596,711.39 : x
  2. Step 2: Convert to fraction form
    21,021,052.86/29,023,396.68 = 13,596,711.39/x
  3. Step 3: Cross multiply
    21,021,052.86x = 29,023,396.68 × 13,596,711.39
  4. Step 4: Simplify right side
    21,021,052.86x = 394,622,748,215,444.19
  5. Step 5: Solve for x
    x = 394,622,748,215,444.19/21,021,052.86
  6. Step 6: Final answer
    x = 18,772,739.45

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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.