Home / 12,684,055.68-17,507,106.72-7,790,450.40

Finding the Fourth Proportional to 12,684,055.68, 17,507,106.72 and 7,790,450.40

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Solution

The fourth proportional to 12,684,055.68, 17,507,106.72 and 7,790,450.40 is: 10,752,731.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,684,055.68 : 17,507,106.72 = 7,790,450.40 : x
  2. Step 2: Convert to fraction form
    12,684,055.68/17,507,106.72 = 7,790,450.40/x
  3. Step 3: Cross multiply
    12,684,055.68x = 17,507,106.72 × 7,790,450.40
  4. Step 4: Simplify right side
    12,684,055.68x = 136,388,246,549,666.69
  5. Step 5: Solve for x
    x = 136,388,246,549,666.69/12,684,055.68
  6. Step 6: Final answer
    x = 10,752,731.62

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.