Home / 21,999,925.68-30,360,220.92-12,210,997.92

Finding the Fourth Proportional to 21,999,925.68, 30,360,220.92 and 12,210,997.92

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Solution

The fourth proportional to 21,999,925.68, 30,360,220.92 and 12,210,997.92 is: 16,851,356.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,999,925.68 : 30,360,220.92 = 12,210,997.92 : x
  2. Step 2: Convert to fraction form
    21,999,925.68/30,360,220.92 = 12,210,997.92/x
  3. Step 3: Cross multiply
    21,999,925.68x = 30,360,220.92 × 12,210,997.92
  4. Step 4: Simplify right side
    21,999,925.68x = 370,728,594,504,860.50
  5. Step 5: Solve for x
    x = 370,728,594,504,860.50/21,999,925.68
  6. Step 6: Final answer
    x = 16,851,356.68

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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.