Home / 11,208,120.48-16,812,187.20-4,020,102.72

Finding the Fourth Proportional to 11,208,120.48, 16,812,187.20 and 4,020,102.72

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Solution

The fourth proportional to 11,208,120.48, 16,812,187.20 and 4,020,102.72 is: 6,030,156.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,208,120.48 : 16,812,187.20 = 4,020,102.72 : x
  2. Step 2: Convert to fraction form
    11,208,120.48/16,812,187.20 = 4,020,102.72/x
  3. Step 3: Cross multiply
    11,208,120.48x = 16,812,187.20 × 4,020,102.72
  4. Step 4: Simplify right side
    11,208,120.48x = 67,586,719,491,869.19
  5. Step 5: Solve for x
    x = 67,586,719,491,869.19/11,208,120.48
  6. Step 6: Final answer
    x = 6,030,156.40

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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.