Home / 20,315,913.09-30,473,787.46-7,359,031.43

Finding the Fourth Proportional to 20,315,913.09, 30,473,787.46 and 7,359,031.43

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Solution

The fourth proportional to 20,315,913.09, 30,473,787.46 and 7,359,031.43 is: 11,038,517.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,315,913.09 : 30,473,787.46 = 7,359,031.43 : x
  2. Step 2: Convert to fraction form
    20,315,913.09/30,473,787.46 = 7,359,031.43/x
  3. Step 3: Cross multiply
    20,315,913.09x = 30,473,787.46 × 7,359,031.43
  4. Step 4: Simplify right side
    20,315,913.09x = 224,257,559,709,279.88
  5. Step 5: Solve for x
    x = 224,257,559,709,279.88/20,315,913.09
  6. Step 6: Final answer
    x = 11,038,517.38

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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.