Home / 27,153,867.54-40,703,897.55-12,751,153.05

Finding the Fourth Proportional to 27,153,867.54, 40,703,897.55 and 12,751,153.05

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Solution

The fourth proportional to 27,153,867.54, 40,703,897.55 and 12,751,153.05 is: 19,114,095.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,153,867.54 : 40,703,897.55 = 12,751,153.05 : x
  2. Step 2: Convert to fraction form
    27,153,867.54/40,703,897.55 = 12,751,153.05/x
  3. Step 3: Cross multiply
    27,153,867.54x = 40,703,897.55 × 12,751,153.05
  4. Step 4: Simplify right side
    27,153,867.54x = 519,021,627,391,570
  5. Step 5: Solve for x
    x = 519,021,627,391,570/27,153,867.54
  6. Step 6: Final answer
    x = 19,114,095.87

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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.