Home / 20,184,099.20-30,276,148.80-18,625,205.60

Finding the Fourth Proportional to 20,184,099.20, 30,276,148.80 and 18,625,205.60

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Solution

The fourth proportional to 20,184,099.20, 30,276,148.80 and 18,625,205.60 is: 27,937,808.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,184,099.20 : 30,276,148.80 = 18,625,205.60 : x
  2. Step 2: Convert to fraction form
    20,184,099.20/30,276,148.80 = 18,625,205.60/x
  3. Step 3: Cross multiply
    20,184,099.20x = 30,276,148.80 × 18,625,205.60
  4. Step 4: Simplify right side
    20,184,099.20x = 563,899,496,176,193.38
  5. Step 5: Solve for x
    x = 563,899,496,176,193.38/20,184,099.20
  6. Step 6: Final answer
    x = 27,937,808.40

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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.