Home / 13,851,486.08-19,116,949.68-7,970,999.41

Finding the Fourth Proportional to 13,851,486.08, 19,116,949.68 and 7,970,999.41

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Solution

The fourth proportional to 13,851,486.08, 19,116,949.68 and 7,970,999.41 is: 11,001,071.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,851,486.08 : 19,116,949.68 = 7,970,999.41 : x
  2. Step 2: Convert to fraction form
    13,851,486.08/19,116,949.68 = 7,970,999.41/x
  3. Step 3: Cross multiply
    13,851,486.08x = 19,116,949.68 × 7,970,999.41
  4. Step 4: Simplify right side
    13,851,486.08x = 152,381,194,484,839.97
  5. Step 5: Solve for x
    x = 152,381,194,484,839.97/13,851,486.08
  6. Step 6: Final answer
    x = 11,001,071.92

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.