Home / 18,413,828.94-25,406,640.16-11,886,060.40

Finding the Fourth Proportional to 18,413,828.94, 25,406,640.16 and 11,886,060.40

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Solution

The fourth proportional to 18,413,828.94, 25,406,640.16 and 11,886,060.40 is: 16,399,894.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,413,828.94 : 25,406,640.16 = 11,886,060.40 : x
  2. Step 2: Convert to fraction form
    18,413,828.94/25,406,640.16 = 11,886,060.40/x
  3. Step 3: Cross multiply
    18,413,828.94x = 25,406,640.16 × 11,886,060.40
  4. Step 4: Simplify right side
    18,413,828.94x = 301,984,859,502,825.69
  5. Step 5: Solve for x
    x = 301,984,859,502,825.69/18,413,828.94
  6. Step 6: Final answer
    x = 16,399,894.91

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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.