Home / 23,148,837.81-31,942,460.03-12,692,102.47

Finding the Fourth Proportional to 23,148,837.81, 31,942,460.03 and 12,692,102.47

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Solution

The fourth proportional to 23,148,837.81, 31,942,460.03 and 12,692,102.47 is: 17,513,491.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,148,837.81 : 31,942,460.03 = 12,692,102.47 : x
  2. Step 2: Convert to fraction form
    23,148,837.81/31,942,460.03 = 12,692,102.47/x
  3. Step 3: Cross multiply
    23,148,837.81x = 31,942,460.03 × 12,692,102.47
  4. Step 4: Simplify right side
    23,148,837.81x = 405,416,975,796,513.31
  5. Step 5: Solve for x
    x = 405,416,975,796,513.31/23,148,837.81
  6. Step 6: Final answer
    x = 17,513,491.57

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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.