Home / 29,039,189.21-40,072,853.49-15,808,091.05

Finding the Fourth Proportional to 29,039,189.21, 40,072,853.49 and 15,808,091.05

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Solution

The fourth proportional to 29,039,189.21, 40,072,853.49 and 15,808,091.05 is: 21,814,497.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,039,189.21 : 40,072,853.49 = 15,808,091.05 : x
  2. Step 2: Convert to fraction form
    29,039,189.21/40,072,853.49 = 15,808,091.05/x
  3. Step 3: Cross multiply
    29,039,189.21x = 40,072,853.49 × 15,808,091.05
  4. Step 4: Simplify right side
    29,039,189.21x = 633,475,316,594,041
  5. Step 5: Solve for x
    x = 633,475,316,594,041/29,039,189.21
  6. Step 6: Final answer
    x = 21,814,497.37

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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.