Home / 7,879,881.60-11,819,822.40-6,884,553.60

Finding the Fourth Proportional to 7,879,881.60, 11,819,822.40 and 6,884,553.60

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Solution

The fourth proportional to 7,879,881.60, 11,819,822.40 and 6,884,553.60 is: 10,326,830.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,879,881.60 : 11,819,822.40 = 6,884,553.60 : x
  2. Step 2: Convert to fraction form
    7,879,881.60/11,819,822.40 = 6,884,553.60/x
  3. Step 3: Cross multiply
    7,879,881.60x = 11,819,822.40 × 6,884,553.60
  4. Step 4: Simplify right side
    7,879,881.60x = 81,374,200,855,280.64
  5. Step 5: Solve for x
    x = 81,374,200,855,280.64/7,879,881.60
  6. Step 6: Final answer
    x = 10,326,830.40

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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.