Home / 10,916,999.40-16,375,499.10-10,385,558.40

Finding the Fourth Proportional to 10,916,999.40, 16,375,499.10 and 10,385,558.40

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Solution

The fourth proportional to 10,916,999.40, 16,375,499.10 and 10,385,558.40 is: 15,578,337.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,916,999.40 : 16,375,499.10 = 10,385,558.40 : x
  2. Step 2: Convert to fraction form
    10,916,999.40/16,375,499.10 = 10,385,558.40/x
  3. Step 3: Cross multiply
    10,916,999.40x = 16,375,499.10 × 10,385,558.40
  4. Step 4: Simplify right side
    10,916,999.40x = 170,068,702,232,197.44
  5. Step 5: Solve for x
    x = 170,068,702,232,197.44/10,916,999.40
  6. Step 6: Final answer
    x = 15,578,337.60

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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.