Home / 23,174,376.70-31,980,432.63-12,720,083.35

Finding the Fourth Proportional to 23,174,376.70, 31,980,432.63 and 12,720,083.35

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Solution

The fourth proportional to 23,174,376.70, 31,980,432.63 and 12,720,083.35 is: 17,553,601.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,174,376.70 : 31,980,432.63 = 12,720,083.35 : x
  2. Step 2: Convert to fraction form
    23,174,376.70/31,980,432.63 = 12,720,083.35/x
  3. Step 3: Cross multiply
    23,174,376.70x = 31,980,432.63 × 12,720,083.35
  4. Step 4: Simplify right side
    23,174,376.70x = 406,793,768,622,659.69
  5. Step 5: Solve for x
    x = 406,793,768,622,659.69/23,174,376.70
  6. Step 6: Final answer
    x = 17,553,601.29

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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.