Home / 29,123,207.24-40,190,880.12-15,893,238.37

Finding the Fourth Proportional to 29,123,207.24, 40,190,880.12 and 15,893,238.37

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Solution

The fourth proportional to 29,123,207.24, 40,190,880.12 and 15,893,238.37 is: 21,933,135.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,123,207.24 : 40,190,880.12 = 15,893,238.37 : x
  2. Step 2: Convert to fraction form
    29,123,207.24/40,190,880.12 = 15,893,238.37/x
  3. Step 3: Cross multiply
    29,123,207.24x = 40,190,880.12 × 15,893,238.37
  4. Step 4: Simplify right side
    29,123,207.24x = 638,763,238,047,254.12
  5. Step 5: Solve for x
    x = 638,763,238,047,254.12/29,123,207.24
  6. Step 6: Final answer
    x = 21,933,135.07

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1.5x scale

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.