Home / 28,242,305.47-38,972,242.64-15,850,005.54

Finding the Fourth Proportional to 28,242,305.47, 38,972,242.64 and 15,850,005.54

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Solution

The fourth proportional to 28,242,305.47, 38,972,242.64 and 15,850,005.54 is: 21,871,807.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,242,305.47 : 38,972,242.64 = 15,850,005.54 : x
  2. Step 2: Convert to fraction form
    28,242,305.47/38,972,242.64 = 15,850,005.54/x
  3. Step 3: Cross multiply
    28,242,305.47x = 38,972,242.64 × 15,850,005.54
  4. Step 4: Simplify right side
    28,242,305.47x = 617,710,261,775,594.38
  5. Step 5: Solve for x
    x = 617,710,261,775,594.38/28,242,305.47
  6. Step 6: Final answer
    x = 21,871,807.26

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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.