Home / 12,619,511.10-18,929,266.65-9,596,202.30

Finding the Fourth Proportional to 12,619,511.10, 18,929,266.65 and 9,596,202.30

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Solution

The fourth proportional to 12,619,511.10, 18,929,266.65 and 9,596,202.30 is: 14,394,303.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,619,511.10 : 18,929,266.65 = 9,596,202.30 : x
  2. Step 2: Convert to fraction form
    12,619,511.10/18,929,266.65 = 9,596,202.30/x
  3. Step 3: Cross multiply
    12,619,511.10x = 18,929,266.65 × 9,596,202.30
  4. Step 4: Simplify right side
    12,619,511.10x = 181,649,072,164,043.28
  5. Step 5: Solve for x
    x = 181,649,072,164,043.28/12,619,511.10
  6. Step 6: Final answer
    x = 14,394,303.45

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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.