Home / 10,687,715.60-16,030,018.20-3,113,891.60

Finding the Fourth Proportional to 10,687,715.60, 16,030,018.20 and 3,113,891.60

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Solution

The fourth proportional to 10,687,715.60, 16,030,018.20 and 3,113,891.60 is: 4,670,384.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,687,715.60 : 16,030,018.20 = 3,113,891.60 : x
  2. Step 2: Convert to fraction form
    10,687,715.60/16,030,018.20 = 3,113,891.60/x
  3. Step 3: Cross multiply
    10,687,715.60x = 16,030,018.20 × 3,113,891.60
  4. Step 4: Simplify right side
    10,687,715.60x = 49,915,739,020,827.12
  5. Step 5: Solve for x
    x = 49,915,739,020,827.12/10,687,715.60
  6. Step 6: Final answer
    x = 4,670,384.29

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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.