Home / 19,031,106.60-28,546,659.90-11,472,834.60

Finding the Fourth Proportional to 19,031,106.60, 28,546,659.90 and 11,472,834.60

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Solution

The fourth proportional to 19,031,106.60, 28,546,659.90 and 11,472,834.60 is: 17,209,251.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,031,106.60 : 28,546,659.90 = 11,472,834.60 : x
  2. Step 2: Convert to fraction form
    19,031,106.60/28,546,659.90 = 11,472,834.60/x
  3. Step 3: Cross multiply
    19,031,106.60x = 28,546,659.90 × 11,472,834.60
  4. Step 4: Simplify right side
    19,031,106.60x = 327,511,107,415,152.50
  5. Step 5: Solve for x
    x = 327,511,107,415,152.50/19,031,106.60
  6. Step 6: Final answer
    x = 17,209,251.90

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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.