Home / 19,070,840.48-28,605,628.31-8,288,154.09

Finding the Fourth Proportional to 19,070,840.48, 28,605,628.31 and 8,288,154.09

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Solution

The fourth proportional to 19,070,840.48, 28,605,628.31 and 8,288,154.09 is: 12,431,956.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,070,840.48 : 28,605,628.31 = 8,288,154.09 : x
  2. Step 2: Convert to fraction form
    19,070,840.48/28,605,628.31 = 8,288,154.09/x
  3. Step 3: Cross multiply
    19,070,840.48x = 28,605,628.31 × 8,288,154.09
  4. Step 4: Simplify right side
    19,070,840.48x = 237,087,855,233,105.50
  5. Step 5: Solve for x
    x = 237,087,855,233,105.50/19,070,840.48
  6. Step 6: Final answer
    x = 12,431,956.29

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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.