Home / 13,376,066.22-18,460,109.79-7,575,879.78

Finding the Fourth Proportional to 13,376,066.22, 18,460,109.79 and 7,575,879.78

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Solution

The fourth proportional to 13,376,066.22, 18,460,109.79 and 7,575,879.78 is: 10,455,358.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376,066.22 : 18,460,109.79 = 7,575,879.78 : x
  2. Step 2: Convert to fraction form
    13,376,066.22/18,460,109.79 = 7,575,879.78/x
  3. Step 3: Cross multiply
    13,376,066.22x = 18,460,109.79 × 7,575,879.78
  4. Step 4: Simplify right side
    13,376,066.22x = 139,851,572,494,641.05
  5. Step 5: Solve for x
    x = 139,851,572,494,641.05/13,376,066.22
  6. Step 6: Final answer
    x = 10,455,358.86

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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.