Home / 15,969,830.40-23,958,244.80-7,886,678.40

Finding the Fourth Proportional to 15,969,830.40, 23,958,244.80 and 7,886,678.40

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Solution

The fourth proportional to 15,969,830.40, 23,958,244.80 and 7,886,678.40 is: 11,831,745.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,969,830.40 : 23,958,244.80 = 7,886,678.40 : x
  2. Step 2: Convert to fraction form
    15,969,830.40/23,958,244.80 = 7,886,678.40/x
  3. Step 3: Cross multiply
    15,969,830.40x = 23,958,244.80 × 7,886,678.40
  4. Step 4: Simplify right side
    15,969,830.40x = 188,950,971,766,072.34
  5. Step 5: Solve for x
    x = 188,950,971,766,072.34/15,969,830.40
  6. Step 6: Final answer
    x = 11,831,745.68

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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.