Home / 26,342,933.28-39,514,178.16-20,590,505.40

Finding the Fourth Proportional to 26,342,933.28, 39,514,178.16 and 20,590,505.40

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Solution

The fourth proportional to 26,342,933.28, 39,514,178.16 and 20,590,505.40 is: 30,885,584.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,342,933.28 : 39,514,178.16 = 20,590,505.40 : x
  2. Step 2: Convert to fraction form
    26,342,933.28/39,514,178.16 = 20,590,505.40/x
  3. Step 3: Cross multiply
    26,342,933.28x = 39,514,178.16 × 20,590,505.40
  4. Step 4: Simplify right side
    26,342,933.28x = 813,616,898,780,041.88
  5. Step 5: Solve for x
    x = 813,616,898,780,041.88/26,342,933.28
  6. Step 6: Final answer
    x = 30,885,584.77

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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.