Home / 14,524,861.20-21,787,291.80-13,430,000.40

Finding the Fourth Proportional to 14,524,861.20, 21,787,291.80 and 13,430,000.40

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Solution

The fourth proportional to 14,524,861.20, 21,787,291.80 and 13,430,000.40 is: 20,145,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,524,861.20 : 21,787,291.80 = 13,430,000.40 : x
  2. Step 2: Convert to fraction form
    14,524,861.20/21,787,291.80 = 13,430,000.40/x
  3. Step 3: Cross multiply
    14,524,861.20x = 21,787,291.80 × 13,430,000.40
  4. Step 4: Simplify right side
    14,524,861.20x = 292,603,337,588,916.75
  5. Step 5: Solve for x
    x = 292,603,337,588,916.75/14,524,861.20
  6. Step 6: Final answer
    x = 20,145,000.60

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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.