Home / 8,717,128.90-12,029,748.59-4,797,336.33

Finding the Fourth Proportional to 8,717,128.90, 12,029,748.59 and 4,797,336.33

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Solution

The fourth proportional to 8,717,128.90, 12,029,748.59 and 4,797,336.33 is: 6,620,385.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717,128.90 : 12,029,748.59 = 4,797,336.33 : x
  2. Step 2: Convert to fraction form
    8,717,128.90/12,029,748.59 = 4,797,336.33/x
  3. Step 3: Cross multiply
    8,717,128.90x = 12,029,748.59 × 4,797,336.33
  4. Step 4: Simplify right side
    8,717,128.90x = 57,710,749,951,573.27
  5. Step 5: Solve for x
    x = 57,710,749,951,573.27/8,717,128.90
  6. Step 6: Final answer
    x = 6,620,385.06

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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.