Home / 10,789,467.40-16,188,866.70-5,470,683.40

Finding the Fourth Proportional to 10,789,467.40, 16,188,866.70 and 5,470,683.40

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Solution

The fourth proportional to 10,789,467.40, 16,188,866.70 and 5,470,683.40 is: 8,208,390.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,789,467.40 : 16,188,866.70 = 5,470,683.40 : x
  2. Step 2: Convert to fraction form
    10,789,467.40/16,188,866.70 = 5,470,683.40/x
  3. Step 3: Cross multiply
    10,789,467.40x = 16,188,866.70 × 5,470,683.40
  4. Step 4: Simplify right side
    10,789,467.40x = 88,564,164,320,502.78
  5. Step 5: Solve for x
    x = 88,564,164,320,502.78/10,789,467.40
  6. Step 6: Final answer
    x = 8,208,390.74

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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.