Home / 14,969,997.53-20,658,865.64-8,779,509.11

Finding the Fourth Proportional to 14,969,997.53, 20,658,865.64 and 8,779,509.11

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Solution

The fourth proportional to 14,969,997.53, 20,658,865.64 and 8,779,509.11 is: 12,115,880.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,969,997.53 : 20,658,865.64 = 8,779,509.11 : x
  2. Step 2: Convert to fraction form
    14,969,997.53/20,658,865.64 = 8,779,509.11/x
  3. Step 3: Cross multiply
    14,969,997.53x = 20,658,865.64 × 8,779,509.11
  4. Step 4: Simplify right side
    14,969,997.53x = 181,374,699,088,645.97
  5. Step 5: Solve for x
    x = 181,374,699,088,645.97/14,969,997.53
  6. Step 6: Final answer
    x = 12,115,880.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.