Home / 28,242,311.46-38,972,250.93-15,850,011.54

Finding the Fourth Proportional to 28,242,311.46, 38,972,250.93 and 15,850,011.54

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Solution

The fourth proportional to 28,242,311.46, 38,972,250.93 and 15,850,011.54 is: 21,871,815.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,242,311.46 : 38,972,250.93 = 15,850,011.54 : x
  2. Step 2: Convert to fraction form
    28,242,311.46/38,972,250.93 = 15,850,011.54/x
  3. Step 3: Cross multiply
    28,242,311.46x = 38,972,250.93 × 15,850,011.54
  4. Step 4: Simplify right side
    28,242,311.46x = 617,710,626,980,275.75
  5. Step 5: Solve for x
    x = 617,710,626,980,275.75/28,242,311.46
  6. Step 6: Final answer
    x = 21,871,815.55

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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.