Home / 18,654,596.74-25,742,998.59-10,167,809.72

Finding the Fourth Proportional to 18,654,596.74, 25,742,998.59 and 10,167,809.72

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Solution

The fourth proportional to 18,654,596.74, 25,742,998.59 and 10,167,809.72 is: 14,031,389.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,654,596.74 : 25,742,998.59 = 10,167,809.72 : x
  2. Step 2: Convert to fraction form
    18,654,596.74/25,742,998.59 = 10,167,809.72/x
  3. Step 3: Cross multiply
    18,654,596.74x = 25,742,998.59 × 10,167,809.72
  4. Step 4: Simplify right side
    18,654,596.74x = 261,749,911,246,410.31
  5. Step 5: Solve for x
    x = 261,749,911,246,410.31/18,654,596.74
  6. Step 6: Final answer
    x = 14,031,389.41

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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.