Home / 18,816,870.24-25,981,907.76-14,459,087.52

Finding the Fourth Proportional to 18,816,870.24, 25,981,907.76 and 14,459,087.52

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Solution

The fourth proportional to 18,816,870.24, 25,981,907.76 and 14,459,087.52 is: 19,964,780.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,816,870.24 : 25,981,907.76 = 14,459,087.52 : x
  2. Step 2: Convert to fraction form
    18,816,870.24/25,981,907.76 = 14,459,087.52/x
  3. Step 3: Cross multiply
    18,816,870.24x = 25,981,907.76 × 14,459,087.52
  4. Step 4: Simplify right side
    18,816,870.24x = 375,674,678,238,407.19
  5. Step 5: Solve for x
    x = 375,674,678,238,407.19/18,816,870.24
  6. Step 6: Final answer
    x = 19,964,780.19

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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.