Home / 14,003,919.60-21,005,879.40-4,420,266.90

Finding the Fourth Proportional to 14,003,919.60, 21,005,879.40 and 4,420,266.90

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Solution

The fourth proportional to 14,003,919.60, 21,005,879.40 and 4,420,266.90 is: 6,630,400.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,003,919.60 : 21,005,879.40 = 4,420,266.90 : x
  2. Step 2: Convert to fraction form
    14,003,919.60/21,005,879.40 = 4,420,266.90/x
  3. Step 3: Cross multiply
    14,003,919.60x = 21,005,879.40 × 4,420,266.90
  4. Step 4: Simplify right side
    14,003,919.60x = 92,851,593,417,211.86
  5. Step 5: Solve for x
    x = 92,851,593,417,211.86/14,003,919.60
  6. Step 6: Final answer
    x = 6,630,400.35

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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.