Home / 7,265,029.20-10,897,543.80-6,481,208.40

Finding the Fourth Proportional to 7,265,029.20, 10,897,543.80 and 6,481,208.40

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Solution

The fourth proportional to 7,265,029.20, 10,897,543.80 and 6,481,208.40 is: 9,721,812.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,265,029.20 : 10,897,543.80 = 6,481,208.40 : x
  2. Step 2: Convert to fraction form
    7,265,029.20/10,897,543.80 = 6,481,208.40/x
  3. Step 3: Cross multiply
    7,265,029.20x = 10,897,543.80 × 6,481,208.40
  4. Step 4: Simplify right side
    7,265,029.20x = 70,629,252,415,927.92
  5. Step 5: Solve for x
    x = 70,629,252,415,927.92/7,265,029.20
  6. Step 6: Final answer
    x = 9,721,812.60

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Similar ratio
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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.