Home / 12,239,946.96-16,891,725-6,807,322.32

Finding the Fourth Proportional to 12,239,946.96, 16,891,725 and 6,807,322.32

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Solution

The fourth proportional to 12,239,946.96, 16,891,725 and 6,807,322.32 is: 9,394,437.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,239,946.96 : 16,891,725 = 6,807,322.32 : x
  2. Step 2: Convert to fraction form
    12,239,946.96/16,891,725 = 6,807,322.32/x
  3. Step 3: Cross multiply
    12,239,946.96x = 16,891,725 × 6,807,322.32
  4. Step 4: Simplify right side
    12,239,946.96x = 114,987,416,615,802
  5. Step 5: Solve for x
    x = 114,987,416,615,802/12,239,946.96
  6. Step 6: Final answer
    x = 9,394,437.49

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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.