Home / 22,456,282.32-30,989,632.86-12,666,696.03

Finding the Fourth Proportional to 22,456,282.32, 30,989,632.86 and 12,666,696.03

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Solution

The fourth proportional to 22,456,282.32, 30,989,632.86 and 12,666,696.03 is: 17,480,019.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,456,282.32 : 30,989,632.86 = 12,666,696.03 : x
  2. Step 2: Convert to fraction form
    22,456,282.32/30,989,632.86 = 12,666,696.03/x
  3. Step 3: Cross multiply
    22,456,282.32x = 30,989,632.86 × 12,666,696.03
  4. Step 4: Simplify right side
    22,456,282.32x = 392,536,259,518,919.50
  5. Step 5: Solve for x
    x = 392,536,259,518,919.50/22,456,282.32
  6. Step 6: Final answer
    x = 17,480,019.80

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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.