Home / 10,002,076.56-13,802,852.04-5,418,416.40

Finding the Fourth Proportional to 10,002,076.56, 13,802,852.04 and 5,418,416.40

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Solution

The fourth proportional to 10,002,076.56, 13,802,852.04 and 5,418,416.40 is: 7,477,407.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,002,076.56 : 13,802,852.04 = 5,418,416.40 : x
  2. Step 2: Convert to fraction form
    10,002,076.56/13,802,852.04 = 5,418,416.40/x
  3. Step 3: Cross multiply
    10,002,076.56x = 13,802,852.04 × 5,418,416.40
  4. Step 4: Simplify right side
    10,002,076.56x = 74,789,599,860,309.45
  5. Step 5: Solve for x
    x = 74,789,599,860,309.45/10,002,076.56
  6. Step 6: Final answer
    x = 7,477,407.26

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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.