Home / 13,435,448.52-18,529,509.70-11,352,496.20

Finding the Fourth Proportional to 13,435,448.52, 18,529,509.70 and 11,352,496.20

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Solution

The fourth proportional to 13,435,448.52, 18,529,509.70 and 11,352,496.20 is: 15,656,804.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,435,448.52 : 18,529,509.70 = 11,352,496.20 : x
  2. Step 2: Convert to fraction form
    13,435,448.52/18,529,509.70 = 11,352,496.20/x
  3. Step 3: Cross multiply
    13,435,448.52x = 18,529,509.70 × 11,352,496.20
  4. Step 4: Simplify right side
    13,435,448.52x = 210,356,188,457,113.12
  5. Step 5: Solve for x
    x = 210,356,188,457,113.12/13,435,448.52
  6. Step 6: Final answer
    x = 15,656,804.32

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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.