Home / 7,102,707.40-10,654,838.70-6,878,758.60

Finding the Fourth Proportional to 7,102,707.40, 10,654,838.70 and 6,878,758.60

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Solution

The fourth proportional to 7,102,707.40, 10,654,838.70 and 6,878,758.60 is: 10,318,890.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,102,707.40 : 10,654,838.70 = 6,878,758.60 : x
  2. Step 2: Convert to fraction form
    7,102,707.40/10,654,838.70 = 6,878,758.60/x
  3. Step 3: Cross multiply
    7,102,707.40x = 10,654,838.70 × 6,878,758.60
  4. Step 4: Simplify right side
    7,102,707.40x = 73,292,063,339,237.81
  5. Step 5: Solve for x
    x = 73,292,063,339,237.81/7,102,707.40
  6. Step 6: Final answer
    x = 10,318,890.98

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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.