Home / 13,133,044.40-19,699,566.60-12,853,108.40

Finding the Fourth Proportional to 13,133,044.40, 19,699,566.60 and 12,853,108.40

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Solution

The fourth proportional to 13,133,044.40, 19,699,566.60 and 12,853,108.40 is: 19,279,662.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,133,044.40 : 19,699,566.60 = 12,853,108.40 : x
  2. Step 2: Convert to fraction form
    13,133,044.40/19,699,566.60 = 12,853,108.40/x
  3. Step 3: Cross multiply
    13,133,044.40x = 19,699,566.60 × 12,853,108.40
  4. Step 4: Simplify right side
    13,133,044.40x = 253,200,664,942,819.47
  5. Step 5: Solve for x
    x = 253,200,664,942,819.47/13,133,044.40
  6. Step 6: Final answer
    x = 19,279,662.60

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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.