Home / 19,898,679.40-29,848,019.10-15,569,002.60

Finding the Fourth Proportional to 19,898,679.40, 29,848,019.10 and 15,569,002.60

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Solution

The fourth proportional to 19,898,679.40, 29,848,019.10 and 15,569,002.60 is: 23,353,503.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,898,679.40 : 29,848,019.10 = 15,569,002.60 : x
  2. Step 2: Convert to fraction form
    19,898,679.40/29,848,019.10 = 15,569,002.60/x
  3. Step 3: Cross multiply
    19,898,679.40x = 29,848,019.10 × 15,569,002.60
  4. Step 4: Simplify right side
    19,898,679.40x = 464,703,886,972,749.69
  5. Step 5: Solve for x
    x = 464,703,886,972,749.69/19,898,679.40
  6. Step 6: Final answer
    x = 23,353,503.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.