Home / 20,437,655.67-30,606,683.22-13,516,918.74

Finding the Fourth Proportional to 20,437,655.67, 30,606,683.22 and 13,516,918.74

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Solution

The fourth proportional to 20,437,655.67, 30,606,683.22 and 13,516,918.74 is: 20,242,441.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,437,655.67 : 30,606,683.22 = 13,516,918.74 : x
  2. Step 2: Convert to fraction form
    20,437,655.67/30,606,683.22 = 13,516,918.74/x
  3. Step 3: Cross multiply
    20,437,655.67x = 30,606,683.22 × 13,516,918.74
  4. Step 4: Simplify right side
    20,437,655.67x = 413,708,049,985,661.56
  5. Step 5: Solve for x
    x = 413,708,049,985,661.56/20,437,655.67
  6. Step 6: Final answer
    x = 20,242,441.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.