Home / 7,102,725.40-10,654,865.70-6,878,776.60

Finding the Fourth Proportional to 7,102,725.40, 10,654,865.70 and 6,878,776.60

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Solution

The fourth proportional to 7,102,725.40, 10,654,865.70 and 6,878,776.60 is: 10,318,917.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,102,725.40 : 10,654,865.70 = 6,878,776.60 : x
  2. Step 2: Convert to fraction form
    7,102,725.40/10,654,865.70 = 6,878,776.60/x
  3. Step 3: Cross multiply
    7,102,725.40x = 10,654,865.70 × 6,878,776.60
  4. Step 4: Simplify right side
    7,102,725.40x = 73,292,440,853,302.61
  5. Step 5: Solve for x
    x = 73,292,440,853,302.61/7,102,725.40
  6. Step 6: Final answer
    x = 10,318,917.98

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1.5x scale

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.