Home / 13,320,577.44-18,382,389.48-7,519,409.28

Finding the Fourth Proportional to 13,320,577.44, 18,382,389.48 and 7,519,409.28

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Solution

The fourth proportional to 13,320,577.44, 18,382,389.48 and 7,519,409.28 is: 10,376,780.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,320,577.44 : 18,382,389.48 = 7,519,409.28 : x
  2. Step 2: Convert to fraction form
    13,320,577.44/18,382,389.48 = 7,519,409.28/x
  3. Step 3: Cross multiply
    13,320,577.44x = 18,382,389.48 × 7,519,409.28
  4. Step 4: Simplify right side
    13,320,577.44x = 138,224,710,044,486.38
  5. Step 5: Solve for x
    x = 138,224,710,044,486.38/13,320,577.44
  6. Step 6: Final answer
    x = 10,376,780.64

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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.