Home / 28,685,052.74-39,584,367.33-15,632,045.30

Finding the Fourth Proportional to 28,685,052.74, 39,584,367.33 and 15,632,045.30

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Solution

The fourth proportional to 28,685,052.74, 39,584,367.33 and 15,632,045.30 is: 21,571,674.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,685,052.74 : 39,584,367.33 = 15,632,045.30 : x
  2. Step 2: Convert to fraction form
    28,685,052.74/39,584,367.33 = 15,632,045.30/x
  3. Step 3: Cross multiply
    28,685,052.74x = 39,584,367.33 × 15,632,045.30
  4. Step 4: Simplify right side
    28,685,052.74x = 618,784,623,076,478.12
  5. Step 5: Solve for x
    x = 618,784,623,076,478.12/28,685,052.74
  6. Step 6: Final answer
    x = 21,571,674.59

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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.