Home / 13,096,857.76-18,081,155.28-8,692,556.32

Finding the Fourth Proportional to 13,096,857.76, 18,081,155.28 and 8,692,556.32

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Solution

The fourth proportional to 13,096,857.76, 18,081,155.28 and 8,692,556.32 is: 12,000,699.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,096,857.76 : 18,081,155.28 = 8,692,556.32 : x
  2. Step 2: Convert to fraction form
    13,096,857.76/18,081,155.28 = 8,692,556.32/x
  3. Step 3: Cross multiply
    13,096,857.76x = 18,081,155.28 × 8,692,556.32
  4. Step 4: Simplify right side
    13,096,857.76x = 157,171,460,602,065.38
  5. Step 5: Solve for x
    x = 157,171,460,602,065.38/13,096,857.76
  6. Step 6: Final answer
    x = 12,000,699.98

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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.