Home / 8,734,000.40-13,105,666.20-3,942,429.20

Finding the Fourth Proportional to 8,734,000.40, 13,105,666.20 and 3,942,429.20

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Solution

The fourth proportional to 8,734,000.40, 13,105,666.20 and 3,942,429.20 is: 5,915,749.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,734,000.40 : 13,105,666.20 = 3,942,429.20 : x
  2. Step 2: Convert to fraction form
    8,734,000.40/13,105,666.20 = 3,942,429.20/x
  3. Step 3: Cross multiply
    8,734,000.40x = 13,105,666.20 × 3,942,429.20
  4. Step 4: Simplify right side
    8,734,000.40x = 51,668,161,112,333.04
  5. Step 5: Solve for x
    x = 51,668,161,112,333.04/8,734,000.40
  6. Step 6: Final answer
    x = 5,915,749.80

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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.