Home / 12,364,530.60-18,546,795.90-7,829,567.40

Finding the Fourth Proportional to 12,364,530.60, 18,546,795.90 and 7,829,567.40

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Solution

The fourth proportional to 12,364,530.60, 18,546,795.90 and 7,829,567.40 is: 11,744,351.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,364,530.60 : 18,546,795.90 = 7,829,567.40 : x
  2. Step 2: Convert to fraction form
    12,364,530.60/18,546,795.90 = 7,829,567.40/x
  3. Step 3: Cross multiply
    12,364,530.60x = 18,546,795.90 × 7,829,567.40
  4. Step 4: Simplify right side
    12,364,530.60x = 145,213,388,553,093.66
  5. Step 5: Solve for x
    x = 145,213,388,553,093.66/12,364,530.60
  6. Step 6: Final answer
    x = 11,744,351.10

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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.