Home / 18,232,979.64-25,136,888.40-11,695,259.04

Finding the Fourth Proportional to 18,232,979.64, 25,136,888.40 and 11,695,259.04

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Solution

The fourth proportional to 18,232,979.64, 25,136,888.40 and 11,695,259.04 is: 16,123,663.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,232,979.64 : 25,136,888.40 = 11,695,259.04 : x
  2. Step 2: Convert to fraction form
    18,232,979.64/25,136,888.40 = 11,695,259.04/x
  3. Step 3: Cross multiply
    18,232,979.64x = 25,136,888.40 × 11,695,259.04
  4. Step 4: Simplify right side
    18,232,979.64x = 293,982,421,297,571.12
  5. Step 5: Solve for x
    x = 293,982,421,297,571.12/18,232,979.64
  6. Step 6: Final answer
    x = 16,123,663.11

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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.