Home / 19,174,890.40-28,758,188.40-8,392,170.40

Finding the Fourth Proportional to 19,174,890.40, 28,758,188.40 and 8,392,170.40

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Solution

The fourth proportional to 19,174,890.40, 28,758,188.40 and 8,392,170.40 is: 12,586,440.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,174,890.40 : 28,758,188.40 = 8,392,170.40 : x
  2. Step 2: Convert to fraction form
    19,174,890.40/28,758,188.40 = 8,392,170.40/x
  3. Step 3: Cross multiply
    19,174,890.40x = 28,758,188.40 × 8,392,170.40
  4. Step 4: Simplify right side
    19,174,890.40x = 241,343,617,448,103.34
  5. Step 5: Solve for x
    x = 241,343,617,448,103.34/19,174,890.40
  6. Step 6: Final answer
    x = 12,586,440.52

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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.