Home / 30,033,146-41,479,955.88-20,358,557.84

Finding the Fourth Proportional to 30,033,146, 41,479,955.88 and 20,358,557.84

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Solution

The fourth proportional to 30,033,146, 41,479,955.88 and 20,358,557.84 is: 28,118,002.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,033,146 : 41,479,955.88 = 20,358,557.84 : x
  2. Step 2: Convert to fraction form
    30,033,146/41,479,955.88 = 20,358,557.84/x
  3. Step 3: Cross multiply
    30,033,146x = 41,479,955.88 × 20,358,557.84
  4. Step 4: Simplify right side
    30,033,146x = 844,472,080,983,628.12
  5. Step 5: Solve for x
    x = 844,472,080,983,628.12/30,033,146
  6. Step 6: Final answer
    x = 28,118,002.72

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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.