Home / 30,448,784.39-42,019,277.02-16,510,114.17

Finding the Fourth Proportional to 30,448,784.39, 42,019,277.02 and 16,510,114.17

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Solution

The fourth proportional to 30,448,784.39, 42,019,277.02 and 16,510,114.17 is: 22,783,932.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,448,784.39 : 42,019,277.02 = 16,510,114.17 : x
  2. Step 2: Convert to fraction form
    30,448,784.39/42,019,277.02 = 16,510,114.17/x
  3. Step 3: Cross multiply
    30,448,784.39x = 42,019,277.02 × 16,510,114.17
  4. Step 4: Simplify right side
    30,448,784.39x = 693,743,060,790,004.25
  5. Step 5: Solve for x
    x = 693,743,060,790,004.25/30,448,784.39
  6. Step 6: Final answer
    x = 22,783,932.91

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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.