Home / 13,556,462.89-18,701,001.30-8,656,533.13

Finding the Fourth Proportional to 13,556,462.89, 18,701,001.30 and 8,656,533.13

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Solution

The fourth proportional to 13,556,462.89, 18,701,001.30 and 8,656,533.13 is: 11,941,598.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,556,462.89 : 18,701,001.30 = 8,656,533.13 : x
  2. Step 2: Convert to fraction form
    13,556,462.89/18,701,001.30 = 8,656,533.13/x
  3. Step 3: Cross multiply
    13,556,462.89x = 18,701,001.30 × 8,656,533.13
  4. Step 4: Simplify right side
    13,556,462.89x = 161,885,837,317,623.09
  5. Step 5: Solve for x
    x = 161,885,837,317,623.09/13,556,462.89
  6. Step 6: Final answer
    x = 11,941,598.53

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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.