Home / 29,035,467.71-40,069,928.79-15,805,127.24

Finding the Fourth Proportional to 29,035,467.71, 40,069,928.79 and 15,805,127.24

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Solution

The fourth proportional to 29,035,467.71, 40,069,928.79 and 15,805,127.24 is: 21,811,610.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,035,467.71 : 40,069,928.79 = 15,805,127.24 : x
  2. Step 2: Convert to fraction form
    29,035,467.71/40,069,928.79 = 15,805,127.24/x
  3. Step 3: Cross multiply
    29,035,467.71x = 40,069,928.79 × 15,805,127.24
  4. Step 4: Simplify right side
    29,035,467.71x = 633,310,322,823,339.50
  5. Step 5: Solve for x
    x = 633,310,322,823,339.50/29,035,467.71
  6. Step 6: Final answer
    x = 21,811,610.86

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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.