Home / 19,928,551.20-29,892,826.80-6,465,379.20

Finding the Fourth Proportional to 19,928,551.20, 29,892,826.80 and 6,465,379.20

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Solution

The fourth proportional to 19,928,551.20, 29,892,826.80 and 6,465,379.20 is: 9,698,068.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928,551.20 : 29,892,826.80 = 6,465,379.20 : x
  2. Step 2: Convert to fraction form
    19,928,551.20/29,892,826.80 = 6,465,379.20/x
  3. Step 3: Cross multiply
    19,928,551.20x = 29,892,826.80 × 6,465,379.20
  4. Step 4: Simplify right side
    19,928,551.20x = 193,268,460,621,922.56
  5. Step 5: Solve for x
    x = 193,268,460,621,922.56/19,928,551.20
  6. Step 6: Final answer
    x = 9,698,068.80

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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.