Home / 29,139,510.12-40,215,260.34-21,784,606.44

Finding the Fourth Proportional to 29,139,510.12, 40,215,260.34 and 21,784,606.44

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Solution

The fourth proportional to 29,139,510.12, 40,215,260.34 and 21,784,606.44 is: 30,064,802.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,139,510.12 : 40,215,260.34 = 21,784,606.44 : x
  2. Step 2: Convert to fraction form
    29,139,510.12/40,215,260.34 = 21,784,606.44/x
  3. Step 3: Cross multiply
    29,139,510.12x = 40,215,260.34 × 21,784,606.44
  4. Step 4: Simplify right side
    29,139,510.12x = 876,073,619,389,040.75
  5. Step 5: Solve for x
    x = 876,073,619,389,040.75/29,139,510.12
  6. Step 6: Final answer
    x = 30,064,802.59

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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.