Home / 12,676,499.20-19,014,748.80-5,099,564.80

Finding the Fourth Proportional to 12,676,499.20, 19,014,748.80 and 5,099,564.80

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Solution

The fourth proportional to 12,676,499.20, 19,014,748.80 and 5,099,564.80 is: 7,649,347.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,676,499.20 : 19,014,748.80 = 5,099,564.80 : x
  2. Step 2: Convert to fraction form
    12,676,499.20/19,014,748.80 = 5,099,564.80/x
  3. Step 3: Cross multiply
    12,676,499.20x = 19,014,748.80 × 5,099,564.80
  4. Step 4: Simplify right side
    12,676,499.20x = 96,966,943,661,322.23
  5. Step 5: Solve for x
    x = 96,966,943,661,322.23/12,676,499.20
  6. Step 6: Final answer
    x = 7,649,347.20

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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.