Home / 6,918,704.10-10,378,056.15-6,546,695.40

Finding the Fourth Proportional to 6,918,704.10, 10,378,056.15 and 6,546,695.40

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Solution

The fourth proportional to 6,918,704.10, 10,378,056.15 and 6,546,695.40 is: 9,820,043.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918,704.10 : 10,378,056.15 = 6,546,695.40 : x
  2. Step 2: Convert to fraction form
    6,918,704.10/10,378,056.15 = 6,546,695.40/x
  3. Step 3: Cross multiply
    6,918,704.10x = 10,378,056.15 × 6,546,695.40
  4. Step 4: Simplify right side
    6,918,704.10x = 67,941,972,458,146.72
  5. Step 5: Solve for x
    x = 67,941,972,458,146.72/6,918,704.10
  6. Step 6: Final answer
    x = 9,820,043.10

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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.