Home / 20,347,461.60-30,556,621.80-10,781,523.60

Finding the Fourth Proportional to 20,347,461.60, 30,556,621.80 and 10,781,523.60

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Solution

The fourth proportional to 20,347,461.60, 30,556,621.80 and 10,781,523.60 is: 16,191,058.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,347,461.60 : 30,556,621.80 = 10,781,523.60 : x
  2. Step 2: Convert to fraction form
    20,347,461.60/30,556,621.80 = 10,781,523.60/x
  3. Step 3: Cross multiply
    20,347,461.60x = 30,556,621.80 × 10,781,523.60
  4. Step 4: Simplify right side
    20,347,461.60x = 329,446,939,072,974.50
  5. Step 5: Solve for x
    x = 329,446,939,072,974.50/20,347,461.60
  6. Step 6: Final answer
    x = 16,191,058.40

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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.