Home / 21,999,923.68-30,360,218.16-12,210,995.92

Finding the Fourth Proportional to 21,999,923.68, 30,360,218.16 and 12,210,995.92

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Solution

The fourth proportional to 21,999,923.68, 30,360,218.16 and 12,210,995.92 is: 16,851,353.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,999,923.68 : 30,360,218.16 = 12,210,995.92 : x
  2. Step 2: Convert to fraction form
    21,999,923.68/30,360,218.16 = 12,210,995.92/x
  3. Step 3: Cross multiply
    21,999,923.68x = 30,360,218.16 × 12,210,995.92
  4. Step 4: Simplify right side
    21,999,923.68x = 370,728,500,082,069.94
  5. Step 5: Solve for x
    x = 370,728,500,082,069.94/21,999,923.68
  6. Step 6: Final answer
    x = 16,851,353.92

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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.