Home / 7,374,294.15-11,065,407.03-7,105,881.21

Finding the Fourth Proportional to 7,374,294.15, 11,065,407.03 and 7,105,881.21

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Solution

The fourth proportional to 7,374,294.15, 11,065,407.03 and 7,105,881.21 is: 10,662,643.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,374,294.15 : 11,065,407.03 = 7,105,881.21 : x
  2. Step 2: Convert to fraction form
    7,374,294.15/11,065,407.03 = 7,105,881.21/x
  3. Step 3: Cross multiply
    7,374,294.15x = 11,065,407.03 × 7,105,881.21
  4. Step 4: Simplify right side
    7,374,294.15x = 78,629,467,895,478.91
  5. Step 5: Solve for x
    x = 78,629,467,895,478.91/7,374,294.15
  6. Step 6: Final answer
    x = 10,662,643.27

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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.