Home / 7,340,926.80-10,989,271.80-6,544,664.40

Finding the Fourth Proportional to 7,340,926.80, 10,989,271.80 and 6,544,664.40

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Solution

The fourth proportional to 7,340,926.80, 10,989,271.80 and 6,544,664.40 is: 9,797,277.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340,926.80 : 10,989,271.80 = 6,544,664.40 : x
  2. Step 2: Convert to fraction form
    7,340,926.80/10,989,271.80 = 6,544,664.40/x
  3. Step 3: Cross multiply
    7,340,926.80x = 10,989,271.80 × 6,544,664.40
  4. Step 4: Simplify right side
    7,340,926.80x = 71,921,095,931,383.92
  5. Step 5: Solve for x
    x = 71,921,095,931,383.92/7,340,926.80
  6. Step 6: Final answer
    x = 9,797,277.36

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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.