Home / 8,779,246.40-13,196,863.20-8,275,361.60

Finding the Fourth Proportional to 8,779,246.40, 13,196,863.20 and 8,275,361.60

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Solution

The fourth proportional to 8,779,246.40, 13,196,863.20 and 8,275,361.60 is: 12,439,429.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,779,246.40 : 13,196,863.20 = 8,275,361.60 : x
  2. Step 2: Convert to fraction form
    8,779,246.40/13,196,863.20 = 8,275,361.60/x
  3. Step 3: Cross multiply
    8,779,246.40x = 13,196,863.20 × 8,275,361.60
  4. Step 4: Simplify right side
    8,779,246.40x = 109,208,814,965,733.11
  5. Step 5: Solve for x
    x = 109,208,814,965,733.11/8,779,246.40
  6. Step 6: Final answer
    x = 12,439,429.31

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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.