Home / 18,730,296.90-28,095,445.35-12,263,775.30

Finding the Fourth Proportional to 18,730,296.90, 28,095,445.35 and 12,263,775.30

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Solution

The fourth proportional to 18,730,296.90, 28,095,445.35 and 12,263,775.30 is: 18,395,662.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,730,296.90 : 28,095,445.35 = 12,263,775.30 : x
  2. Step 2: Convert to fraction form
    18,730,296.90/28,095,445.35 = 12,263,775.30/x
  3. Step 3: Cross multiply
    18,730,296.90x = 28,095,445.35 × 12,263,775.30
  4. Step 4: Simplify right side
    18,730,296.90x = 344,556,228,725,829.88
  5. Step 5: Solve for x
    x = 344,556,228,725,829.88/18,730,296.90
  6. Step 6: Final answer
    x = 18,395,662.95

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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.