Home / 7,042,534.84-9,718,738.50-4,142,047.96

Finding the Fourth Proportional to 7,042,534.84, 9,718,738.50 and 4,142,047.96

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Solution

The fourth proportional to 7,042,534.84, 9,718,738.50 and 4,142,047.96 is: 5,716,049.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,042,534.84 : 9,718,738.50 = 4,142,047.96 : x
  2. Step 2: Convert to fraction form
    7,042,534.84/9,718,738.50 = 4,142,047.96/x
  3. Step 3: Cross multiply
    7,042,534.84x = 9,718,738.50 × 4,142,047.96
  4. Step 4: Simplify right side
    7,042,534.84x = 40,255,480,977,698.46
  5. Step 5: Solve for x
    x = 40,255,480,977,698.46/7,042,534.84
  6. Step 6: Final answer
    x = 5,716,049.96

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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.