Home / 30,448,833-42,019,344.57-16,510,162.79

Finding the Fourth Proportional to 30,448,833, 42,019,344.57 and 16,510,162.79

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Solution

The fourth proportional to 30,448,833, 42,019,344.57 and 16,510,162.79 is: 22,784,000.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,448,833 : 42,019,344.57 = 16,510,162.79 : x
  2. Step 2: Convert to fraction form
    30,448,833/42,019,344.57 = 16,510,162.79/x
  3. Step 3: Cross multiply
    30,448,833x = 42,019,344.57 × 16,510,162.79
  4. Step 4: Simplify right side
    30,448,833x = 693,746,218,969,705.88
  5. Step 5: Solve for x
    x = 693,746,218,969,705.88/30,448,833
  6. Step 6: Final answer
    x = 22,784,000.26

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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.