Home / 14,026,779.60-21,040,169.40-12,977,019.60

Finding the Fourth Proportional to 14,026,779.60, 21,040,169.40 and 12,977,019.60

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Solution

The fourth proportional to 14,026,779.60, 21,040,169.40 and 12,977,019.60 is: 19,465,529.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,026,779.60 : 21,040,169.40 = 12,977,019.60 : x
  2. Step 2: Convert to fraction form
    14,026,779.60/21,040,169.40 = 12,977,019.60/x
  3. Step 3: Cross multiply
    14,026,779.60x = 21,040,169.40 × 12,977,019.60
  4. Step 4: Simplify right side
    14,026,779.60x = 273,038,690,691,120.22
  5. Step 5: Solve for x
    x = 273,038,690,691,120.22/14,026,779.60
  6. Step 6: Final answer
    x = 19,465,529.40

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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.