Home / 7,381,941.92-11,073,492.80-1,990,511.28

Finding the Fourth Proportional to 7,381,941.92, 11,073,492.80 and 1,990,511.28

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Solution

The fourth proportional to 7,381,941.92, 11,073,492.80 and 1,990,511.28 is: 2,985,923.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,941.92 : 11,073,492.80 = 1,990,511.28 : x
  2. Step 2: Convert to fraction form
    7,381,941.92/11,073,492.80 = 1,990,511.28/x
  3. Step 3: Cross multiply
    7,381,941.92x = 11,073,492.80 × 1,990,511.28
  4. Step 4: Simplify right side
    7,381,941.92x = 22,041,912,327,398.79
  5. Step 5: Solve for x
    x = 22,041,912,327,398.79/7,381,941.92
  6. Step 6: Final answer
    x = 2,985,923.29

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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.