Home / 6,929,019.60-10,387,999.80-2,936,648.40

Finding the Fourth Proportional to 6,929,019.60, 10,387,999.80 and 2,936,648.40

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Solution

The fourth proportional to 6,929,019.60, 10,387,999.80 and 2,936,648.40 is: 4,402,629.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,929,019.60 : 10,387,999.80 = 2,936,648.40 : x
  2. Step 2: Convert to fraction form
    6,929,019.60/10,387,999.80 = 2,936,648.40/x
  3. Step 3: Cross multiply
    6,929,019.60x = 10,387,999.80 × 2,936,648.40
  4. Step 4: Simplify right side
    6,929,019.60x = 30,505,902,991,870.32
  5. Step 5: Solve for x
    x = 30,505,902,991,870.32/6,929,019.60
  6. Step 6: Final answer
    x = 4,402,629.05

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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.