Home / 13,412,443.81-18,509,619.54-7,533,114.07

Finding the Fourth Proportional to 13,412,443.81, 18,509,619.54 and 7,533,114.07

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Solution

The fourth proportional to 13,412,443.81, 18,509,619.54 and 7,533,114.07 is: 10,395,948.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,412,443.81 : 18,509,619.54 = 7,533,114.07 : x
  2. Step 2: Convert to fraction form
    13,412,443.81/18,509,619.54 = 7,533,114.07/x
  3. Step 3: Cross multiply
    13,412,443.81x = 18,509,619.54 × 7,533,114.07
  4. Step 4: Simplify right side
    13,412,443.81x = 139,435,075,387,120.92
  5. Step 5: Solve for x
    x = 139,435,075,387,120.92/13,412,443.81
  6. Step 6: Final answer
    x = 10,395,948.52

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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.