Home / 13,835,112.36-20,736,157.86-6,439,207.66

Finding the Fourth Proportional to 13,835,112.36, 20,736,157.86 and 6,439,207.66

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Solution

The fourth proportional to 13,835,112.36, 20,736,157.86 and 6,439,207.66 is: 9,651,127.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,835,112.36 : 20,736,157.86 = 6,439,207.66 : x
  2. Step 2: Convert to fraction form
    13,835,112.36/20,736,157.86 = 6,439,207.66/x
  3. Step 3: Cross multiply
    13,835,112.36x = 20,736,157.86 × 6,439,207.66
  4. Step 4: Simplify right side
    13,835,112.36x = 133,524,426,531,081.20
  5. Step 5: Solve for x
    x = 133,524,426,531,081.20/13,835,112.36
  6. Step 6: Final answer
    x = 9,651,127.01

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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.