Home / 19,765,605.80-27,276,346.20-11,389,898.58

Finding the Fourth Proportional to 19,765,605.80, 27,276,346.20 and 11,389,898.58

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Solution

The fourth proportional to 19,765,605.80, 27,276,346.20 and 11,389,898.58 is: 15,717,950.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,765,605.80 : 27,276,346.20 = 11,389,898.58 : x
  2. Step 2: Convert to fraction form
    19,765,605.80/27,276,346.20 = 11,389,898.58/x
  3. Step 3: Cross multiply
    19,765,605.80x = 27,276,346.20 × 11,389,898.58
  4. Step 4: Simplify right side
    19,765,605.80x = 310,674,816,850,968.38
  5. Step 5: Solve for x
    x = 310,674,816,850,968.38/19,765,605.80
  6. Step 6: Final answer
    x = 15,717,950.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.