Home / 38,342,345.19-57,514,026.41-12,783,362.79

Finding the Fourth Proportional to 38,342,345.19, 57,514,026.41 and 12,783,362.79

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Solution

The fourth proportional to 38,342,345.19, 57,514,026.41 and 12,783,362.79 is: 19,175,213.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,342,345.19 : 57,514,026.41 = 12,783,362.79 : x
  2. Step 2: Convert to fraction form
    38,342,345.19/57,514,026.41 = 12,783,362.79/x
  3. Step 3: Cross multiply
    38,342,345.19x = 57,514,026.41 × 12,783,362.79
  4. Step 4: Simplify right side
    38,342,345.19x = 735,222,665,312,369.62
  5. Step 5: Solve for x
    x = 735,222,665,312,369.62/38,342,345.19
  6. Step 6: Final answer
    x = 19,175,213.77

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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.