Home / 12,453,657.72-17,186,019.30-7,021,110.84

Finding the Fourth Proportional to 12,453,657.72, 17,186,019.30 and 7,021,110.84

Calculator

Solution

The fourth proportional to 12,453,657.72, 17,186,019.30 and 7,021,110.84 is: 9,689,116.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,453,657.72 : 17,186,019.30 = 7,021,110.84 : x
  2. Step 2: Convert to fraction form
    12,453,657.72/17,186,019.30 = 7,021,110.84/x
  3. Step 3: Cross multiply
    12,453,657.72x = 17,186,019.30 × 7,021,110.84
  4. Step 4: Simplify right side
    12,453,657.72x = 120,664,946,403,679.22
  5. Step 5: Solve for x
    x = 120,664,946,403,679.22/12,453,657.72
  6. Step 6: Final answer
    x = 9,689,116.97

Related Problems

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.