Home / 13,286,508.30-19,929,762.45-13,174,533.90

Finding the Fourth Proportional to 13,286,508.30, 19,929,762.45 and 13,174,533.90

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Solution

The fourth proportional to 13,286,508.30, 19,929,762.45 and 13,174,533.90 is: 19,761,800.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286,508.30 : 19,929,762.45 = 13,174,533.90 : x
  2. Step 2: Convert to fraction form
    13,286,508.30/19,929,762.45 = 13,174,533.90/x
  3. Step 3: Cross multiply
    13,286,508.30x = 19,929,762.45 × 13,174,533.90
  4. Step 4: Simplify right side
    13,286,508.30x = 262,565,331,016,472.06
  5. Step 5: Solve for x
    x = 262,565,331,016,472.06/13,286,508.30
  6. Step 6: Final answer
    x = 19,761,800.85

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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.