Home / 19,043,381.28-28,556,068.32-7,377,217.02

Finding the Fourth Proportional to 19,043,381.28, 28,556,068.32 and 7,377,217.02

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Solution

The fourth proportional to 19,043,381.28, 28,556,068.32 and 7,377,217.02 is: 11,062,337.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,043,381.28 : 28,556,068.32 = 7,377,217.02 : x
  2. Step 2: Convert to fraction form
    19,043,381.28/28,556,068.32 = 7,377,217.02/x
  3. Step 3: Cross multiply
    19,043,381.28x = 28,556,068.32 × 7,377,217.02
  4. Step 4: Simplify right side
    19,043,381.28x = 210,664,313,234,586.78
  5. Step 5: Solve for x
    x = 210,664,313,234,586.78/19,043,381.28
  6. Step 6: Final answer
    x = 11,062,337.62

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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.