Home / 12,208,035.70-18,314,969.55-3,688,455.70

Finding the Fourth Proportional to 12,208,035.70, 18,314,969.55 and 3,688,455.70

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Solution

The fourth proportional to 12,208,035.70, 18,314,969.55 and 3,688,455.70 is: 5,533,564.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,208,035.70 : 18,314,969.55 = 3,688,455.70 : x
  2. Step 2: Convert to fraction form
    12,208,035.70/18,314,969.55 = 3,688,455.70/x
  3. Step 3: Cross multiply
    12,208,035.70x = 18,314,969.55 × 3,688,455.70
  4. Step 4: Simplify right side
    12,208,035.70x = 67,553,953,832,023.94
  5. Step 5: Solve for x
    x = 67,553,953,832,023.94/12,208,035.70
  6. Step 6: Final answer
    x = 5,533,564.57

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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.