Home / 13,191,938.20-19,787,907.30-10,924,456.60

Finding the Fourth Proportional to 13,191,938.20, 19,787,907.30 and 10,924,456.60

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Solution

The fourth proportional to 13,191,938.20, 19,787,907.30 and 10,924,456.60 is: 16,386,684.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,191,938.20 : 19,787,907.30 = 10,924,456.60 : x
  2. Step 2: Convert to fraction form
    13,191,938.20/19,787,907.30 = 10,924,456.60/x
  3. Step 3: Cross multiply
    13,191,938.20x = 19,787,907.30 × 10,924,456.60
  4. Step 4: Simplify right side
    13,191,938.20x = 216,172,134,503,673.19
  5. Step 5: Solve for x
    x = 216,172,134,503,673.19/13,191,938.20
  6. Step 6: Final answer
    x = 16,386,684.90

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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.