Home / 19,970,538.27-27,563,930.76-11,713,260.67

Finding the Fourth Proportional to 19,970,538.27, 27,563,930.76 and 11,713,260.67

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Solution

The fourth proportional to 19,970,538.27, 27,563,930.76 and 11,713,260.67 is: 16,166,990.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,970,538.27 : 27,563,930.76 = 11,713,260.67 : x
  2. Step 2: Convert to fraction form
    19,970,538.27/27,563,930.76 = 11,713,260.67/x
  3. Step 3: Cross multiply
    19,970,538.27x = 27,563,930.76 × 11,713,260.67
  4. Step 4: Simplify right side
    19,970,538.27x = 322,863,506,145,886.12
  5. Step 5: Solve for x
    x = 322,863,506,145,886.12/19,970,538.27
  6. Step 6: Final answer
    x = 16,166,990.68

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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.