Home / 16,863,189.30-23,271,206.85-9,128,207.70

Finding the Fourth Proportional to 16,863,189.30, 23,271,206.85 and 9,128,207.70

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Solution

The fourth proportional to 16,863,189.30, 23,271,206.85 and 9,128,207.70 is: 12,596,929.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,863,189.30 : 23,271,206.85 = 9,128,207.70 : x
  2. Step 2: Convert to fraction form
    16,863,189.30/23,271,206.85 = 9,128,207.70/x
  3. Step 3: Cross multiply
    16,863,189.30x = 23,271,206.85 × 9,128,207.70
  4. Step 4: Simplify right side
    16,863,189.30x = 212,424,409,556,462.75
  5. Step 5: Solve for x
    x = 212,424,409,556,462.75/16,863,189.30
  6. Step 6: Final answer
    x = 12,596,929.67

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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.