Home / 8,428,225.19-12,642,370.58-2,038,467.29

Finding the Fourth Proportional to 8,428,225.19, 12,642,370.58 and 2,038,467.29

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Solution

The fourth proportional to 8,428,225.19, 12,642,370.58 and 2,038,467.29 is: 3,057,708.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428,225.19 : 12,642,370.58 = 2,038,467.29 : x
  2. Step 2: Convert to fraction form
    8,428,225.19/12,642,370.58 = 2,038,467.29/x
  3. Step 3: Cross multiply
    8,428,225.19x = 12,642,370.58 × 2,038,467.29
  4. Step 4: Simplify right side
    8,428,225.19x = 25,771,058,837,272.64
  5. Step 5: Solve for x
    x = 25,771,058,837,272.64/8,428,225.19
  6. Step 6: Final answer
    x = 3,057,708.86

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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.