Home / 8,698,411.26-12,003,419.03-5,215,672.49

Finding the Fourth Proportional to 8,698,411.26, 12,003,419.03 and 5,215,672.49

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Solution

The fourth proportional to 8,698,411.26, 12,003,419.03 and 5,215,672.49 is: 7,197,395.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,698,411.26 : 12,003,419.03 = 5,215,672.49 : x
  2. Step 2: Convert to fraction form
    8,698,411.26/12,003,419.03 = 5,215,672.49/x
  3. Step 3: Cross multiply
    8,698,411.26x = 12,003,419.03 × 5,215,672.49
  4. Step 4: Simplify right side
    8,698,411.26x = 62,605,902,334,618.03
  5. Step 5: Solve for x
    x = 62,605,902,334,618.03/8,698,411.26
  6. Step 6: Final answer
    x = 7,197,395.07

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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.