Home / 28,748,004.78-39,671,640.36-15,694,632.84

Finding the Fourth Proportional to 28,748,004.78, 39,671,640.36 and 15,694,632.84

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Solution

The fourth proportional to 28,748,004.78, 39,671,640.36 and 15,694,632.84 is: 21,658,262.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,748,004.78 : 39,671,640.36 = 15,694,632.84 : x
  2. Step 2: Convert to fraction form
    28,748,004.78/39,671,640.36 = 15,694,632.84/x
  3. Step 3: Cross multiply
    28,748,004.78x = 39,671,640.36 × 15,694,632.84
  4. Step 4: Simplify right side
    28,748,004.78x = 622,631,829,610,725.38
  5. Step 5: Solve for x
    x = 622,631,829,610,725.38/28,748,004.78
  6. Step 6: Final answer
    x = 21,658,262.35

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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.