Home / 11,148,938.40-16,698,524.40-8,616,381.60

Finding the Fourth Proportional to 11,148,938.40, 16,698,524.40 and 8,616,381.60

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Solution

The fourth proportional to 11,148,938.40, 16,698,524.40 and 8,616,381.60 is: 12,905,341.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,148,938.40 : 16,698,524.40 = 8,616,381.60 : x
  2. Step 2: Convert to fraction form
    11,148,938.40/16,698,524.40 = 8,616,381.60/x
  3. Step 3: Cross multiply
    11,148,938.40x = 16,698,524.40 × 8,616,381.60
  4. Step 4: Simplify right side
    11,148,938.40x = 143,880,858,387,311.03
  5. Step 5: Solve for x
    x = 143,880,858,387,311.03/11,148,938.40
  6. Step 6: Final answer
    x = 12,905,341.59

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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.