Home / 12,283,320.33-18,424,315.89-3,763,681.47

Finding the Fourth Proportional to 12,283,320.33, 18,424,315.89 and 3,763,681.47

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Solution

The fourth proportional to 12,283,320.33, 18,424,315.89 and 3,763,681.47 is: 5,645,318.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,283,320.33 : 18,424,315.89 = 3,763,681.47 : x
  2. Step 2: Convert to fraction form
    12,283,320.33/18,424,315.89 = 3,763,681.47/x
  3. Step 3: Cross multiply
    12,283,320.33x = 18,424,315.89 × 3,763,681.47
  4. Step 4: Simplify right side
    12,283,320.33x = 69,343,256,312,619.56
  5. Step 5: Solve for x
    x = 69,343,256,312,619.56/12,283,320.33
  6. Step 6: Final answer
    x = 5,645,318.57

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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.