Home / 7,773,783.45-11,660,675.18-7,458,855.45

Finding the Fourth Proportional to 7,773,783.45, 11,660,675.18 and 7,458,855.45

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Solution

The fourth proportional to 7,773,783.45, 11,660,675.18 and 7,458,855.45 is: 11,188,283.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,773,783.45 : 11,660,675.18 = 7,458,855.45 : x
  2. Step 2: Convert to fraction form
    7,773,783.45/11,660,675.18 = 7,458,855.45/x
  3. Step 3: Cross multiply
    7,773,783.45x = 11,660,675.18 × 7,458,855.45
  4. Step 4: Simplify right side
    7,773,783.45x = 86,975,290,579,728.47
  5. Step 5: Solve for x
    x = 86,975,290,579,728.47/7,773,783.45
  6. Step 6: Final answer
    x = 11,188,283.18

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Double scale
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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.