Home / 14,234,643.12-19,645,212.60-8,123,985.84

Finding the Fourth Proportional to 14,234,643.12, 19,645,212.60 and 8,123,985.84

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Solution

The fourth proportional to 14,234,643.12, 19,645,212.60 and 8,123,985.84 is: 11,211,902.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,234,643.12 : 19,645,212.60 = 8,123,985.84 : x
  2. Step 2: Convert to fraction form
    14,234,643.12/19,645,212.60 = 8,123,985.84/x
  3. Step 3: Cross multiply
    14,234,643.12x = 19,645,212.60 × 8,123,985.84
  4. Step 4: Simplify right side
    14,234,643.12x = 159,597,428,986,189.59
  5. Step 5: Solve for x
    x = 159,597,428,986,189.59/14,234,643.12
  6. Step 6: Final answer
    x = 11,211,902.37

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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.