Home / 21,894,975.55-30,214,533.68-12,105,167.59

Finding the Fourth Proportional to 21,894,975.55, 30,214,533.68 and 12,105,167.59

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Solution

The fourth proportional to 21,894,975.55, 30,214,533.68 and 12,105,167.59 is: 16,704,836.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,894,975.55 : 30,214,533.68 = 12,105,167.59 : x
  2. Step 2: Convert to fraction form
    21,894,975.55/30,214,533.68 = 12,105,167.59/x
  3. Step 3: Cross multiply
    21,894,975.55x = 30,214,533.68 × 12,105,167.59
  4. Step 4: Simplify right side
    21,894,975.55x = 365,751,993,699,026.81
  5. Step 5: Solve for x
    x = 365,751,993,699,026.81/21,894,975.55
  6. Step 6: Final answer
    x = 16,704,836.82

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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.