Home / 20,593,965.40-30,890,948.10-15,825,722.20

Finding the Fourth Proportional to 20,593,965.40, 30,890,948.10 and 15,825,722.20

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Solution

The fourth proportional to 20,593,965.40, 30,890,948.10 and 15,825,722.20 is: 23,738,583.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,593,965.40 : 30,890,948.10 = 15,825,722.20 : x
  2. Step 2: Convert to fraction form
    20,593,965.40/30,890,948.10 = 15,825,722.20/x
  3. Step 3: Cross multiply
    20,593,965.40x = 30,890,948.10 × 15,825,722.20
  4. Step 4: Simplify right side
    20,593,965.40x = 488,871,563,125,217.81
  5. Step 5: Solve for x
    x = 488,871,563,125,217.81/20,593,965.40
  6. Step 6: Final answer
    x = 23,738,583.30

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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.