Home / 11,959,678.24-16,499,178.48-7,313,666.40

Finding the Fourth Proportional to 11,959,678.24, 16,499,178.48 and 7,313,666.40

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Solution

The fourth proportional to 11,959,678.24, 16,499,178.48 and 7,313,666.40 is: 10,089,693.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,959,678.24 : 16,499,178.48 = 7,313,666.40 : x
  2. Step 2: Convert to fraction form
    11,959,678.24/16,499,178.48 = 7,313,666.40/x
  3. Step 3: Cross multiply
    11,959,678.24x = 16,499,178.48 × 7,313,666.40
  4. Step 4: Simplify right side
    11,959,678.24x = 120,669,487,276,779.08
  5. Step 5: Solve for x
    x = 120,669,487,276,779.08/11,959,678.24
  6. Step 6: Final answer
    x = 10,089,693.46

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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.