Home / 31,218,191.88-43,082,258.25-17,090,368.71

Finding the Fourth Proportional to 31,218,191.88, 43,082,258.25 and 17,090,368.71

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Solution

The fourth proportional to 31,218,191.88, 43,082,258.25 and 17,090,368.71 is: 23,585,340.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,218,191.88 : 43,082,258.25 = 17,090,368.71 : x
  2. Step 2: Convert to fraction form
    31,218,191.88/43,082,258.25 = 17,090,368.71/x
  3. Step 3: Cross multiply
    31,218,191.88x = 43,082,258.25 × 17,090,368.71
  4. Step 4: Simplify right side
    31,218,191.88x = 736,291,678,136,528
  5. Step 5: Solve for x
    x = 736,291,678,136,528/31,218,191.88
  6. Step 6: Final answer
    x = 23,585,340.27

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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.