Home / 14,420,729.12-21,630,529.91-3,637,895.72

Finding the Fourth Proportional to 14,420,729.12, 21,630,529.91 and 3,637,895.72

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Solution

The fourth proportional to 14,420,729.12, 21,630,529.91 and 3,637,895.72 is: 5,456,701.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,420,729.12 : 21,630,529.91 = 3,637,895.72 : x
  2. Step 2: Convert to fraction form
    14,420,729.12/21,630,529.91 = 3,637,895.72/x
  3. Step 3: Cross multiply
    14,420,729.12x = 21,630,529.91 × 3,637,895.72
  4. Step 4: Simplify right side
    14,420,729.12x = 78,689,612,054,578.86
  5. Step 5: Solve for x
    x = 78,689,612,054,578.86/14,420,729.12
  6. Step 6: Final answer
    x = 5,456,701.35

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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.