Home / 11,262,420.75-15,554,971.05-7,634,450.19

Finding the Fourth Proportional to 11,262,420.75, 15,554,971.05 and 7,634,450.19

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Solution

The fourth proportional to 11,262,420.75, 15,554,971.05 and 7,634,450.19 is: 10,544,238.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,262,420.75 : 15,554,971.05 = 7,634,450.19 : x
  2. Step 2: Convert to fraction form
    11,262,420.75/15,554,971.05 = 7,634,450.19/x
  3. Step 3: Cross multiply
    11,262,420.75x = 15,554,971.05 × 7,634,450.19
  4. Step 4: Simplify right side
    11,262,420.75x = 118,753,651,688,117.02
  5. Step 5: Solve for x
    x = 118,753,651,688,117.02/11,262,420.75
  6. Step 6: Final answer
    x = 10,544,238.61

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Double scale
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1.5x scale

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.