Home / 18,468,051.40-27,702,077.10-17,124,358.60

Finding the Fourth Proportional to 18,468,051.40, 27,702,077.10 and 17,124,358.60

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Solution

The fourth proportional to 18,468,051.40, 27,702,077.10 and 17,124,358.60 is: 25,686,537.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,468,051.40 : 27,702,077.10 = 17,124,358.60 : x
  2. Step 2: Convert to fraction form
    18,468,051.40/27,702,077.10 = 17,124,358.60/x
  3. Step 3: Cross multiply
    18,468,051.40x = 27,702,077.10 × 17,124,358.60
  4. Step 4: Simplify right side
    18,468,051.40x = 474,380,302,225,248.12
  5. Step 5: Solve for x
    x = 474,380,302,225,248.12/18,468,051.40
  6. Step 6: Final answer
    x = 25,686,537.90

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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.