Home / 23,118,070.52-31,902,936.75-12,805,457.92

Finding the Fourth Proportional to 23,118,070.52, 31,902,936.75 and 12,805,457.92

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Solution

The fourth proportional to 23,118,070.52, 31,902,936.75 and 12,805,457.92 is: 17,671,531.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,118,070.52 : 31,902,936.75 = 12,805,457.92 : x
  2. Step 2: Convert to fraction form
    23,118,070.52/31,902,936.75 = 12,805,457.92/x
  3. Step 3: Cross multiply
    23,118,070.52x = 31,902,936.75 × 12,805,457.92
  4. Step 4: Simplify right side
    23,118,070.52x = 408,531,713,996,789.25
  5. Step 5: Solve for x
    x = 408,531,713,996,789.25/23,118,070.52
  6. Step 6: Final answer
    x = 17,671,531.61

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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.