Home / 19,970,538.77-27,563,931.45-11,713,261.18

Finding the Fourth Proportional to 19,970,538.77, 27,563,931.45 and 11,713,261.18

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Solution

The fourth proportional to 19,970,538.77, 27,563,931.45 and 11,713,261.18 is: 16,166,991.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,970,538.77 : 27,563,931.45 = 11,713,261.18 : x
  2. Step 2: Convert to fraction form
    19,970,538.77/27,563,931.45 = 11,713,261.18/x
  3. Step 3: Cross multiply
    19,970,538.77x = 27,563,931.45 × 11,713,261.18
  4. Step 4: Simplify right side
    19,970,538.77x = 322,863,528,083,646.44
  5. Step 5: Solve for x
    x = 322,863,528,083,646.44/19,970,538.77
  6. Step 6: Final answer
    x = 16,166,991.38

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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.