Home / 20,697,002.10-31,045,503.15-7,065,540.45

Finding the Fourth Proportional to 20,697,002.10, 31,045,503.15 and 7,065,540.45

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Solution

The fourth proportional to 20,697,002.10, 31,045,503.15 and 7,065,540.45 is: 10,598,310.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,697,002.10 : 31,045,503.15 = 7,065,540.45 : x
  2. Step 2: Convert to fraction form
    20,697,002.10/31,045,503.15 = 7,065,540.45/x
  3. Step 3: Cross multiply
    20,697,002.10x = 31,045,503.15 × 7,065,540.45
  4. Step 4: Simplify right side
    20,697,002.10x = 219,353,258,296,927.41
  5. Step 5: Solve for x
    x = 219,353,258,296,927.41/20,697,002.10
  6. Step 6: Final answer
    x = 10,598,310.68

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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.