Home / 28,242,307.30-38,972,245.17-15,850,007.37

Finding the Fourth Proportional to 28,242,307.30, 38,972,245.17 and 15,850,007.37

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Solution

The fourth proportional to 28,242,307.30, 38,972,245.17 and 15,850,007.37 is: 21,871,809.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,242,307.30 : 38,972,245.17 = 15,850,007.37 : x
  2. Step 2: Convert to fraction form
    28,242,307.30/38,972,245.17 = 15,850,007.37/x
  3. Step 3: Cross multiply
    28,242,307.30x = 38,972,245.17 × 15,850,007.37
  4. Step 4: Simplify right side
    28,242,307.30x = 617,710,373,090,696.88
  5. Step 5: Solve for x
    x = 617,710,373,090,696.88/28,242,307.30
  6. Step 6: Final answer
    x = 21,871,809.78

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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.