Home / 38,342,295.96-57,513,952.40-12,783,313.56

Finding the Fourth Proportional to 38,342,295.96, 57,513,952.40 and 12,783,313.56

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Solution

The fourth proportional to 38,342,295.96, 57,513,952.40 and 12,783,313.56 is: 19,175,139.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,342,295.96 : 57,513,952.40 = 12,783,313.56 : x
  2. Step 2: Convert to fraction form
    38,342,295.96/57,513,952.40 = 12,783,313.56/x
  3. Step 3: Cross multiply
    38,342,295.96x = 57,513,952.40 × 12,783,313.56
  4. Step 4: Simplify right side
    38,342,295.96x = 735,218,887,604,114.50
  5. Step 5: Solve for x
    x = 735,218,887,604,114.50/38,342,295.96
  6. Step 6: Final answer
    x = 19,175,139.86

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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.