Home / 13,412,085.60-20,118,194.01-4,892,408.40

Finding the Fourth Proportional to 13,412,085.60, 20,118,194.01 and 4,892,408.40

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Solution

The fourth proportional to 13,412,085.60, 20,118,194.01 and 4,892,408.40 is: 7,338,636.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,412,085.60 : 20,118,194.01 = 4,892,408.40 : x
  2. Step 2: Convert to fraction form
    13,412,085.60/20,118,194.01 = 4,892,408.40/x
  3. Step 3: Cross multiply
    13,412,085.60x = 20,118,194.01 × 4,892,408.40
  4. Step 4: Simplify right side
    13,412,085.60x = 98,426,421,367,353.70
  5. Step 5: Solve for x
    x = 98,426,421,367,353.70/13,412,085.60
  6. Step 6: Final answer
    x = 7,338,636.53

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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.