Home / 28,337,447.84-39,098,739.30-15,945,125

Finding the Fourth Proportional to 28,337,447.84, 39,098,739.30 and 15,945,125

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Solution

The fourth proportional to 28,337,447.84, 39,098,739.30 and 15,945,125 is: 22,000,368.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,337,447.84 : 39,098,739.30 = 15,945,125 : x
  2. Step 2: Convert to fraction form
    28,337,447.84/39,098,739.30 = 15,945,125/x
  3. Step 3: Cross multiply
    28,337,447.84x = 39,098,739.30 × 15,945,125
  4. Step 4: Simplify right side
    28,337,447.84x = 623,434,285,480,912.50
  5. Step 5: Solve for x
    x = 623,434,285,480,912.50/28,337,447.84
  6. Step 6: Final answer
    x = 22,000,368.17

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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.