Home / 13,301,927.46-18,357,204.15-8,405,362.71

Finding the Fourth Proportional to 13,301,927.46, 18,357,204.15 and 8,405,362.71

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Solution

The fourth proportional to 13,301,927.46, 18,357,204.15 and 8,405,362.71 is: 11,599,744.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301,927.46 : 18,357,204.15 = 8,405,362.71 : x
  2. Step 2: Convert to fraction form
    13,301,927.46/18,357,204.15 = 8,405,362.71/x
  3. Step 3: Cross multiply
    13,301,927.46x = 18,357,204.15 × 8,405,362.71
  4. Step 4: Simplify right side
    13,301,927.46x = 154,298,959,222,267.25
  5. Step 5: Solve for x
    x = 154,298,959,222,267.25/13,301,927.46
  6. Step 6: Final answer
    x = 11,599,744.45

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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.