Home / 18,069,269.72-27,103,903.74-5,289,774.39

Finding the Fourth Proportional to 18,069,269.72, 27,103,903.74 and 5,289,774.39

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Solution

The fourth proportional to 18,069,269.72, 27,103,903.74 and 5,289,774.39 is: 7,934,661.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,069,269.72 : 27,103,903.74 = 5,289,774.39 : x
  2. Step 2: Convert to fraction form
    18,069,269.72/27,103,903.74 = 5,289,774.39/x
  3. Step 3: Cross multiply
    18,069,269.72x = 27,103,903.74 × 5,289,774.39
  4. Step 4: Simplify right side
    18,069,269.72x = 143,373,535,872,877.19
  5. Step 5: Solve for x
    x = 143,373,535,872,877.19/18,069,269.72
  6. Step 6: Final answer
    x = 7,934,661.34

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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.