Home / 13,280,883.20-19,921,324.80-13,196,902.40

Finding the Fourth Proportional to 13,280,883.20, 19,921,324.80 and 13,196,902.40

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Solution

The fourth proportional to 13,280,883.20, 19,921,324.80 and 13,196,902.40 is: 19,795,353.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,280,883.20 : 19,921,324.80 = 13,196,902.40 : x
  2. Step 2: Convert to fraction form
    13,280,883.20/19,921,324.80 = 13,196,902.40/x
  3. Step 3: Cross multiply
    13,280,883.20x = 19,921,324.80 × 13,196,902.40
  4. Step 4: Simplify right side
    13,280,883.20x = 262,899,779,064,299.53
  5. Step 5: Solve for x
    x = 262,899,779,064,299.53/13,280,883.20
  6. Step 6: Final answer
    x = 19,795,353.60

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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.