Home / 12,546,415.69-18,806,676.64-5,264,104.36

Finding the Fourth Proportional to 12,546,415.69, 18,806,676.64 and 5,264,104.36

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Solution

The fourth proportional to 12,546,415.69, 18,806,676.64 and 5,264,104.36 is: 7,890,724.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,546,415.69 : 18,806,676.64 = 5,264,104.36 : x
  2. Step 2: Convert to fraction form
    12,546,415.69/18,806,676.64 = 5,264,104.36/x
  3. Step 3: Cross multiply
    12,546,415.69x = 18,806,676.64 × 5,264,104.36
  4. Step 4: Simplify right side
    12,546,415.69x = 99,000,308,437,557.19
  5. Step 5: Solve for x
    x = 99,000,308,437,557.19/12,546,415.69
  6. Step 6: Final answer
    x = 7,890,724.40

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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.