Home / 29,138,941.80-43,720,659.90-15,660,023.40

Finding the Fourth Proportional to 29,138,941.80, 43,720,659.90 and 15,660,023.40

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Solution

The fourth proportional to 29,138,941.80, 43,720,659.90 and 15,660,023.40 is: 23,496,617.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,138,941.80 : 43,720,659.90 = 15,660,023.40 : x
  2. Step 2: Convert to fraction form
    29,138,941.80/43,720,659.90 = 15,660,023.40/x
  3. Step 3: Cross multiply
    29,138,941.80x = 43,720,659.90 × 15,660,023.40
  4. Step 4: Simplify right side
    29,138,941.80x = 684,666,557,097,441.62
  5. Step 5: Solve for x
    x = 684,666,557,097,441.62/29,138,941.80
  6. Step 6: Final answer
    x = 23,496,617.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.