Home / 13,804,830.60-20,707,245.90-5,280,779.40

Finding the Fourth Proportional to 13,804,830.60, 20,707,245.90 and 5,280,779.40

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Solution

The fourth proportional to 13,804,830.60, 20,707,245.90 and 5,280,779.40 is: 7,921,169.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,804,830.60 : 20,707,245.90 = 5,280,779.40 : x
  2. Step 2: Convert to fraction form
    13,804,830.60/20,707,245.90 = 5,280,779.40/x
  3. Step 3: Cross multiply
    13,804,830.60x = 20,707,245.90 × 5,280,779.40
  4. Step 4: Simplify right side
    13,804,830.60x = 109,350,397,579,454.45
  5. Step 5: Solve for x
    x = 109,350,397,579,454.45/13,804,830.60
  6. Step 6: Final answer
    x = 7,921,169.10

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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.