Home / 10,877,216.40-16,315,824.60-5,208,512.40

Finding the Fourth Proportional to 10,877,216.40, 16,315,824.60 and 5,208,512.40

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Solution

The fourth proportional to 10,877,216.40, 16,315,824.60 and 5,208,512.40 is: 7,812,768.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,877,216.40 : 16,315,824.60 = 5,208,512.40 : x
  2. Step 2: Convert to fraction form
    10,877,216.40/16,315,824.60 = 5,208,512.40/x
  3. Step 3: Cross multiply
    10,877,216.40x = 16,315,824.60 × 5,208,512.40
  4. Step 4: Simplify right side
    10,877,216.40x = 84,981,174,745,325.05
  5. Step 5: Solve for x
    x = 84,981,174,745,325.05/10,877,216.40
  6. Step 6: Final answer
    x = 7,812,768.60

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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.