Home / 12,144,088.44-18,221,167.62-5,317,137.90

Finding the Fourth Proportional to 12,144,088.44, 18,221,167.62 and 5,317,137.90

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Solution

The fourth proportional to 12,144,088.44, 18,221,167.62 and 5,317,137.90 is: 7,977,911.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,144,088.44 : 18,221,167.62 = 5,317,137.90 : x
  2. Step 2: Convert to fraction form
    12,144,088.44/18,221,167.62 = 5,317,137.90/x
  3. Step 3: Cross multiply
    12,144,088.44x = 18,221,167.62 × 5,317,137.90
  4. Step 4: Simplify right side
    12,144,088.44x = 96,884,460,934,554.81
  5. Step 5: Solve for x
    x = 96,884,460,934,554.81/12,144,088.44
  6. Step 6: Final answer
    x = 7,977,911.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.