Home / 38,327,814.69-52,890,383.63-20,920,796.88

Finding the Fourth Proportional to 38,327,814.69, 52,890,383.63 and 20,920,796.88

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Solution

The fourth proportional to 38,327,814.69, 52,890,383.63 and 20,920,796.88 is: 28,869,607.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,327,814.69 : 52,890,383.63 = 20,920,796.88 : x
  2. Step 2: Convert to fraction form
    38,327,814.69/52,890,383.63 = 20,920,796.88/x
  3. Step 3: Cross multiply
    38,327,814.69x = 52,890,383.63 × 20,920,796.88
  4. Step 4: Simplify right side
    38,327,814.69x = 1,106,508,972,723,903
  5. Step 5: Solve for x
    x = 1,106,508,972,723,903/38,327,814.69
  6. Step 6: Final answer
    x = 28,869,607.66

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1.5x scale

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.