Home / 20,219,019.60-30,328,529.40-17,827,535.10

Finding the Fourth Proportional to 20,219,019.60, 30,328,529.40 and 17,827,535.10

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Solution

The fourth proportional to 20,219,019.60, 30,328,529.40 and 17,827,535.10 is: 26,741,302.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,219,019.60 : 30,328,529.40 = 17,827,535.10 : x
  2. Step 2: Convert to fraction form
    20,219,019.60/30,328,529.40 = 17,827,535.10/x
  3. Step 3: Cross multiply
    20,219,019.60x = 30,328,529.40 × 17,827,535.10
  4. Step 4: Simplify right side
    20,219,019.60x = 540,682,922,409,881.94
  5. Step 5: Solve for x
    x = 540,682,922,409,881.94/20,219,019.60
  6. Step 6: Final answer
    x = 26,741,302.65

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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.