Home / 7,782,799.80-11,642,706.90-6,838,015.80

Finding the Fourth Proportional to 7,782,799.80, 11,642,706.90 and 6,838,015.80

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Solution

The fourth proportional to 7,782,799.80, 11,642,706.90 and 6,838,015.80 is: 10,229,353.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,782,799.80 : 11,642,706.90 = 6,838,015.80 : x
  2. Step 2: Convert to fraction form
    7,782,799.80/11,642,706.90 = 6,838,015.80/x
  3. Step 3: Cross multiply
    7,782,799.80x = 11,642,706.90 × 6,838,015.80
  4. Step 4: Simplify right side
    7,782,799.80x = 79,613,013,736,969.02
  5. Step 5: Solve for x
    x = 79,613,013,736,969.02/7,782,799.80
  6. Step 6: Final answer
    x = 10,229,353.93

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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.