Home / 12,653,065.48-18,975,672.82-4,564,989.72

Finding the Fourth Proportional to 12,653,065.48, 18,975,672.82 and 4,564,989.72

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Solution

The fourth proportional to 12,653,065.48, 18,975,672.82 and 4,564,989.72 is: 6,846,068.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,653,065.48 : 18,975,672.82 = 4,564,989.72 : x
  2. Step 2: Convert to fraction form
    12,653,065.48/18,975,672.82 = 4,564,989.72/x
  3. Step 3: Cross multiply
    12,653,065.48x = 18,975,672.82 × 4,564,989.72
  4. Step 4: Simplify right side
    12,653,065.48x = 86,623,751,353,383.41
  5. Step 5: Solve for x
    x = 86,623,751,353,383.41/12,653,065.48
  6. Step 6: Final answer
    x = 6,846,068.37

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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.