Home / 21,999,922.68-30,360,216.78-12,210,994.92

Finding the Fourth Proportional to 21,999,922.68, 30,360,216.78 and 12,210,994.92

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Solution

The fourth proportional to 21,999,922.68, 30,360,216.78 and 12,210,994.92 is: 16,851,352.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,999,922.68 : 30,360,216.78 = 12,210,994.92 : x
  2. Step 2: Convert to fraction form
    21,999,922.68/30,360,216.78 = 12,210,994.92/x
  3. Step 3: Cross multiply
    21,999,922.68x = 30,360,216.78 × 12,210,994.92
  4. Step 4: Simplify right side
    21,999,922.68x = 370,728,452,870,678.75
  5. Step 5: Solve for x
    x = 370,728,452,870,678.75/21,999,922.68
  6. Step 6: Final answer
    x = 16,851,352.54

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1.5x scale

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.