Home / 14,070,686.15-19,391,009.10-11,276,635.70

Finding the Fourth Proportional to 14,070,686.15, 19,391,009.10 and 11,276,635.70

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Solution

The fourth proportional to 14,070,686.15, 19,391,009.10 and 11,276,635.70 is: 15,540,489.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,070,686.15 : 19,391,009.10 = 11,276,635.70 : x
  2. Step 2: Convert to fraction form
    14,070,686.15/19,391,009.10 = 11,276,635.70/x
  3. Step 3: Cross multiply
    14,070,686.15x = 19,391,009.10 × 11,276,635.70
  4. Step 4: Simplify right side
    14,070,686.15x = 218,665,345,476,084.88
  5. Step 5: Solve for x
    x = 218,665,345,476,084.88/14,070,686.15
  6. Step 6: Final answer
    x = 15,540,489.15

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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.