Home / 13,155,617.24-18,154,886.34-7,354,721.24

Finding the Fourth Proportional to 13,155,617.24, 18,154,886.34 and 7,354,721.24

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Solution

The fourth proportional to 13,155,617.24, 18,154,886.34 and 7,354,721.24 is: 10,149,590.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,155,617.24 : 18,154,886.34 = 7,354,721.24 : x
  2. Step 2: Convert to fraction form
    13,155,617.24/18,154,886.34 = 7,354,721.24/x
  3. Step 3: Cross multiply
    13,155,617.24x = 18,154,886.34 × 7,354,721.24
  4. Step 4: Simplify right side
    13,155,617.24x = 133,524,128,174,583.86
  5. Step 5: Solve for x
    x = 133,524,128,174,583.86/13,155,617.24
  6. Step 6: Final answer
    x = 10,149,590.53

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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.