Home / 20,112,378.60-30,184,314.30-9,331,015.35

Finding the Fourth Proportional to 20,112,378.60, 30,184,314.30 and 9,331,015.35

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Solution

The fourth proportional to 20,112,378.60, 30,184,314.30 and 9,331,015.35 is: 14,003,828.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,112,378.60 : 30,184,314.30 = 9,331,015.35 : x
  2. Step 2: Convert to fraction form
    20,112,378.60/30,184,314.30 = 9,331,015.35/x
  3. Step 3: Cross multiply
    20,112,378.60x = 30,184,314.30 × 9,331,015.35
  4. Step 4: Simplify right side
    20,112,378.60x = 281,650,300,062,524.50
  5. Step 5: Solve for x
    x = 281,650,300,062,524.50/20,112,378.60
  6. Step 6: Final answer
    x = 14,003,828.47

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1.5x scale

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.