Home / 13,943,926.44-19,239,465.78-8,437,164.30

Finding the Fourth Proportional to 13,943,926.44, 19,239,465.78 and 8,437,164.30

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Solution

The fourth proportional to 13,943,926.44, 19,239,465.78 and 8,437,164.30 is: 11,641,379.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943,926.44 : 19,239,465.78 = 8,437,164.30 : x
  2. Step 2: Convert to fraction form
    13,943,926.44/19,239,465.78 = 8,437,164.30/x
  3. Step 3: Cross multiply
    13,943,926.44x = 19,239,465.78 × 8,437,164.30
  4. Step 4: Simplify right side
    13,943,926.44x = 162,326,533,830,087.69
  5. Step 5: Solve for x
    x = 162,326,533,830,087.69/13,943,926.44
  6. Step 6: Final answer
    x = 11,641,379.10

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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.