Home / 21,840,788.06-30,140,264.65-12,051,231.67

Finding the Fourth Proportional to 21,840,788.06, 30,140,264.65 and 12,051,231.67

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Solution

The fourth proportional to 21,840,788.06, 30,140,264.65 and 12,051,231.67 is: 16,630,687.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,840,788.06 : 30,140,264.65 = 12,051,231.67 : x
  2. Step 2: Convert to fraction form
    21,840,788.06/30,140,264.65 = 12,051,231.67/x
  3. Step 3: Cross multiply
    21,840,788.06x = 30,140,264.65 × 12,051,231.67
  4. Step 4: Simplify right side
    21,840,788.06x = 363,227,311,681,303.94
  5. Step 5: Solve for x
    x = 363,227,311,681,303.94/21,840,788.06
  6. Step 6: Final answer
    x = 16,630,687.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.