Home / 28,242,306.98-38,972,244.72-15,850,007.04

Finding the Fourth Proportional to 28,242,306.98, 38,972,244.72 and 15,850,007.04

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Solution

The fourth proportional to 28,242,306.98, 38,972,244.72 and 15,850,007.04 is: 21,871,809.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,242,306.98 : 38,972,244.72 = 15,850,007.04 : x
  2. Step 2: Convert to fraction form
    28,242,306.98/38,972,244.72 = 15,850,007.04/x
  3. Step 3: Cross multiply
    28,242,306.98x = 38,972,244.72 × 15,850,007.04
  4. Step 4: Simplify right side
    28,242,306.98x = 617,710,353,176,602.75
  5. Step 5: Solve for x
    x = 617,710,353,176,602.75/28,242,306.98
  6. Step 6: Final answer
    x = 21,871,809.33

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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.