Home / 7,824,408.40-11,711,729.40-5,584,920.40

Finding the Fourth Proportional to 7,824,408.40, 11,711,729.40 and 5,584,920.40

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Solution

The fourth proportional to 7,824,408.40, 11,711,729.40 and 5,584,920.40 is: 8,359,619.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,824,408.40 : 11,711,729.40 = 5,584,920.40 : x
  2. Step 2: Convert to fraction form
    7,824,408.40/11,711,729.40 = 5,584,920.40/x
  3. Step 3: Cross multiply
    7,824,408.40x = 11,711,729.40 × 5,584,920.40
  4. Step 4: Simplify right side
    7,824,408.40x = 65,409,076,445,339.77
  5. Step 5: Solve for x
    x = 65,409,076,445,339.77/7,824,408.40
  6. Step 6: Final answer
    x = 8,359,619.42

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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.