Home / 8,021,219.20-12,043,638.60-6,226,129.60

Finding the Fourth Proportional to 8,021,219.20, 12,043,638.60 and 6,226,129.60

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Solution

The fourth proportional to 8,021,219.20, 12,043,638.60 and 6,226,129.60 is: 9,348,361.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021,219.20 : 12,043,638.60 = 6,226,129.60 : x
  2. Step 2: Convert to fraction form
    8,021,219.20/12,043,638.60 = 6,226,129.60/x
  3. Step 3: Cross multiply
    8,021,219.20x = 12,043,638.60 × 6,226,129.60
  4. Step 4: Simplify right side
    8,021,219.20x = 74,985,254,779,162.55
  5. Step 5: Solve for x
    x = 74,985,254,779,162.55/8,021,219.20
  6. Step 6: Final answer
    x = 9,348,361.25

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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.