Home / 13,177,929.34-18,172,766.69-10,276,261.48

Finding the Fourth Proportional to 13,177,929.34, 18,172,766.69 and 10,276,261.48

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Solution

The fourth proportional to 13,177,929.34, 18,172,766.69 and 10,276,261.48 is: 14,171,278.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,177,929.34 : 18,172,766.69 = 10,276,261.48 : x
  2. Step 2: Convert to fraction form
    13,177,929.34/18,172,766.69 = 10,276,261.48/x
  3. Step 3: Cross multiply
    13,177,929.34x = 18,172,766.69 × 10,276,261.48
  4. Step 4: Simplify right side
    13,177,929.34x = 186,748,102,270,092.78
  5. Step 5: Solve for x
    x = 186,748,102,270,092.78/13,177,929.34
  6. Step 6: Final answer
    x = 14,171,278.16

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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.