Home / 17,139,688.40-25,709,532.60-5,170,869.20

Finding the Fourth Proportional to 17,139,688.40, 25,709,532.60 and 5,170,869.20

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Solution

The fourth proportional to 17,139,688.40, 25,709,532.60 and 5,170,869.20 is: 7,756,303.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,139,688.40 : 25,709,532.60 = 5,170,869.20 : x
  2. Step 2: Convert to fraction form
    17,139,688.40/25,709,532.60 = 5,170,869.20/x
  3. Step 3: Cross multiply
    17,139,688.40x = 25,709,532.60 × 5,170,869.20
  4. Step 4: Simplify right side
    17,139,688.40x = 132,940,630,267,735.94
  5. Step 5: Solve for x
    x = 132,940,630,267,735.94/17,139,688.40
  6. Step 6: Final answer
    x = 7,756,303.80

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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.