Home / 13,565,305.70-20,347,958.55-5,043,878.90

Finding the Fourth Proportional to 13,565,305.70, 20,347,958.55 and 5,043,878.90

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Solution

The fourth proportional to 13,565,305.70, 20,347,958.55 and 5,043,878.90 is: 7,565,818.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,565,305.70 : 20,347,958.55 = 5,043,878.90 : x
  2. Step 2: Convert to fraction form
    13,565,305.70/20,347,958.55 = 5,043,878.90/x
  3. Step 3: Cross multiply
    13,565,305.70x = 20,347,958.55 × 5,043,878.90
  4. Step 4: Simplify right side
    13,565,305.70x = 102,632,638,788,419.61
  5. Step 5: Solve for x
    x = 102,632,638,788,419.61/13,565,305.70
  6. Step 6: Final answer
    x = 7,565,818.35

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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.