Home / 13,013,453.22-17,958,567.15-7,212,609.47

Finding the Fourth Proportional to 13,013,453.22, 17,958,567.15 and 7,212,609.47

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Solution

The fourth proportional to 13,013,453.22, 17,958,567.15 and 7,212,609.47 is: 9,953,402.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,013,453.22 : 17,958,567.15 = 7,212,609.47 : x
  2. Step 2: Convert to fraction form
    13,013,453.22/17,958,567.15 = 7,212,609.47/x
  3. Step 3: Cross multiply
    13,013,453.22x = 17,958,567.15 × 7,212,609.47
  4. Step 4: Simplify right side
    13,013,453.22x = 129,528,131,437,600.38
  5. Step 5: Solve for x
    x = 129,528,131,437,600.38/13,013,453.22
  6. Step 6: Final answer
    x = 9,953,402.01

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1.5x scale

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.