Home / 12,240,699.69-18,360,385.08-3,720,371.86

Finding the Fourth Proportional to 12,240,699.69, 18,360,385.08 and 3,720,371.86

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Solution

The fourth proportional to 12,240,699.69, 18,360,385.08 and 3,720,371.86 is: 5,580,355.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240,699.69 : 18,360,385.08 = 3,720,371.86 : x
  2. Step 2: Convert to fraction form
    12,240,699.69/18,360,385.08 = 3,720,371.86/x
  3. Step 3: Cross multiply
    12,240,699.69x = 18,360,385.08 × 3,720,371.86
  4. Step 4: Simplify right side
    12,240,699.69x = 68,307,459,958,218.04
  5. Step 5: Solve for x
    x = 68,307,459,958,218.04/12,240,699.69
  6. Step 6: Final answer
    x = 5,580,355.84

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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.