Home / 13,321,641.17-18,384,310.59-8,164,006.67

Finding the Fourth Proportional to 13,321,641.17, 18,384,310.59 and 8,164,006.67

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Solution

The fourth proportional to 13,321,641.17, 18,384,310.59 and 8,164,006.67 is: 11,266,602.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,321,641.17 : 18,384,310.59 = 8,164,006.67 : x
  2. Step 2: Convert to fraction form
    13,321,641.17/18,384,310.59 = 8,164,006.67/x
  3. Step 3: Cross multiply
    13,321,641.17x = 18,384,310.59 × 8,164,006.67
  4. Step 4: Simplify right side
    13,321,641.17x = 150,089,634,280,111.62
  5. Step 5: Solve for x
    x = 150,089,634,280,111.62/13,321,641.17
  6. Step 6: Final answer
    x = 11,266,602.39

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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.