Home / 13,316,827.37-18,375,251.42-8,087,115.83

Finding the Fourth Proportional to 13,316,827.37, 18,375,251.42 and 8,087,115.83

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Solution

The fourth proportional to 13,316,827.37, 18,375,251.42 and 8,087,115.83 is: 11,159,023.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,316,827.37 : 18,375,251.42 = 8,087,115.83 : x
  2. Step 2: Convert to fraction form
    13,316,827.37/18,375,251.42 = 8,087,115.83/x
  3. Step 3: Cross multiply
    13,316,827.37x = 18,375,251.42 × 8,087,115.83
  4. Step 4: Simplify right side
    13,316,827.37x = 148,602,786,567,253.50
  5. Step 5: Solve for x
    x = 148,602,786,567,253.50/13,316,827.37
  6. Step 6: Final answer
    x = 11,159,023.28

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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.