Home / 8,421,629.44-12,632,326.80-2,031,828.16

Finding the Fourth Proportional to 8,421,629.44, 12,632,326.80 and 2,031,828.16

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Solution

The fourth proportional to 8,421,629.44, 12,632,326.80 and 2,031,828.16 is: 3,047,713.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,421,629.44 : 12,632,326.80 = 2,031,828.16 : x
  2. Step 2: Convert to fraction form
    8,421,629.44/12,632,326.80 = 2,031,828.16/x
  3. Step 3: Cross multiply
    8,421,629.44x = 12,632,326.80 × 2,031,828.16
  4. Step 4: Simplify right side
    8,421,629.44x = 25,666,717,318,562.69
  5. Step 5: Solve for x
    x = 25,666,717,318,562.69/8,421,629.44
  6. Step 6: Final answer
    x = 3,047,713.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.