Home / 6,912,000.80-10,368,001.20-6,845,645.60

Finding the Fourth Proportional to 6,912,000.80, 10,368,001.20 and 6,845,645.60

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Solution

The fourth proportional to 6,912,000.80, 10,368,001.20 and 6,845,645.60 is: 10,268,468.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912,000.80 : 10,368,001.20 = 6,845,645.60 : x
  2. Step 2: Convert to fraction form
    6,912,000.80/10,368,001.20 = 6,845,645.60/x
  3. Step 3: Cross multiply
    6,912,000.80x = 10,368,001.20 × 6,845,645.60
  4. Step 4: Simplify right side
    6,912,000.80x = 70,975,661,795,574.72
  5. Step 5: Solve for x
    x = 70,975,661,795,574.72/6,912,000.80
  6. Step 6: Final answer
    x = 10,268,468.40

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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.