Home / 7,776,021.60-11,664,032.40-7,421,727.60

Finding the Fourth Proportional to 7,776,021.60, 11,664,032.40 and 7,421,727.60

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Solution

The fourth proportional to 7,776,021.60, 11,664,032.40 and 7,421,727.60 is: 11,132,591.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776,021.60 : 11,664,032.40 = 7,421,727.60 : x
  2. Step 2: Convert to fraction form
    7,776,021.60/11,664,032.40 = 7,421,727.60/x
  3. Step 3: Cross multiply
    7,776,021.60x = 11,664,032.40 × 7,421,727.60
  4. Step 4: Simplify right side
    7,776,021.60x = 86,567,271,190,374.23
  5. Step 5: Solve for x
    x = 86,567,271,190,374.23/7,776,021.60
  6. Step 6: Final answer
    x = 11,132,591.40

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Double scale
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Similar ratio
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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.