Home / 7,102,814.40-10,654,999.20-6,878,865.60

Finding the Fourth Proportional to 7,102,814.40, 10,654,999.20 and 6,878,865.60

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Solution

The fourth proportional to 7,102,814.40, 10,654,999.20 and 6,878,865.60 is: 10,319,051.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,102,814.40 : 10,654,999.20 = 6,878,865.60 : x
  2. Step 2: Convert to fraction form
    7,102,814.40/10,654,999.20 = 6,878,865.60/x
  3. Step 3: Cross multiply
    7,102,814.40x = 10,654,999.20 × 6,878,865.60
  4. Step 4: Simplify right side
    7,102,814.40x = 73,294,307,464,907.52
  5. Step 5: Solve for x
    x = 73,294,307,464,907.52/7,102,814.40
  6. Step 6: Final answer
    x = 10,319,051.48

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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.