Home / 28,973,027.20-43,459,540.80-8,779,273.60

Finding the Fourth Proportional to 28,973,027.20, 43,459,540.80 and 8,779,273.60

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Solution

The fourth proportional to 28,973,027.20, 43,459,540.80 and 8,779,273.60 is: 13,168,910.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,973,027.20 : 43,459,540.80 = 8,779,273.60 : x
  2. Step 2: Convert to fraction form
    28,973,027.20/43,459,540.80 = 8,779,273.60/x
  3. Step 3: Cross multiply
    28,973,027.20x = 43,459,540.80 × 8,779,273.60
  4. Step 4: Simplify right side
    28,973,027.20x = 381,543,199,213,562.81
  5. Step 5: Solve for x
    x = 381,543,199,213,562.81/28,973,027.20
  6. Step 6: Final answer
    x = 13,168,910.40

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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.