Home / 20,488,974.60-30,733,461.90-19,313,243.40

Finding the Fourth Proportional to 20,488,974.60, 30,733,461.90 and 19,313,243.40

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Solution

The fourth proportional to 20,488,974.60, 30,733,461.90 and 19,313,243.40 is: 28,969,865.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,488,974.60 : 30,733,461.90 = 19,313,243.40 : x
  2. Step 2: Convert to fraction form
    20,488,974.60/30,733,461.90 = 19,313,243.40/x
  3. Step 3: Cross multiply
    20,488,974.60x = 30,733,461.90 × 19,313,243.40
  4. Step 4: Simplify right side
    20,488,974.60x = 593,562,830,199,326.38
  5. Step 5: Solve for x
    x = 593,562,830,199,326.38/20,488,974.60
  6. Step 6: Final answer
    x = 28,969,865.10

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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.