Home / 13,186,177.17-18,186,920.55-11,551,748.01

Finding the Fourth Proportional to 13,186,177.17, 18,186,920.55 and 11,551,748.01

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Solution

The fourth proportional to 13,186,177.17, 18,186,920.55 and 11,551,748.01 is: 15,932,648.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,186,177.17 : 18,186,920.55 = 11,551,748.01 : x
  2. Step 2: Convert to fraction form
    13,186,177.17/18,186,920.55 = 11,551,748.01/x
  3. Step 3: Cross multiply
    13,186,177.17x = 18,186,920.55 × 11,551,748.01
  4. Step 4: Simplify right side
    13,186,177.17x = 210,090,723,271,490.62
  5. Step 5: Solve for x
    x = 210,090,723,271,490.62/13,186,177.17
  6. Step 6: Final answer
    x = 15,932,648.30

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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.