Home / 13,376,067.72-18,460,111.86-7,575,881.28

Finding the Fourth Proportional to 13,376,067.72, 18,460,111.86 and 7,575,881.28

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Solution

The fourth proportional to 13,376,067.72, 18,460,111.86 and 7,575,881.28 is: 10,455,360.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376,067.72 : 18,460,111.86 = 7,575,881.28 : x
  2. Step 2: Convert to fraction form
    13,376,067.72/18,460,111.86 = 7,575,881.28/x
  3. Step 3: Cross multiply
    13,376,067.72x = 18,460,111.86 × 7,575,881.28
  4. Step 4: Simplify right side
    13,376,067.72x = 139,851,615,866,879.98
  5. Step 5: Solve for x
    x = 139,851,615,866,879.98/13,376,067.72
  6. Step 6: Final answer
    x = 10,455,360.93

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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.