Home / 18,249,970.23-27,365,136.30-7,314,672.29

Finding the Fourth Proportional to 18,249,970.23, 27,365,136.30 and 7,314,672.29

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Solution

The fourth proportional to 18,249,970.23, 27,365,136.30 and 7,314,672.29 is: 10,968,072.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,249,970.23 : 27,365,136.30 = 7,314,672.29 : x
  2. Step 2: Convert to fraction form
    18,249,970.23/27,365,136.30 = 7,314,672.29/x
  3. Step 3: Cross multiply
    18,249,970.23x = 27,365,136.30 × 7,314,672.29
  4. Step 4: Simplify right side
    18,249,970.23x = 200,167,004,068,857.47
  5. Step 5: Solve for x
    x = 200,167,004,068,857.47/18,249,970.23
  6. Step 6: Final answer
    x = 10,968,072.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.