Home / 18,974,048.76-28,450,836.36-9,853,646.40

Finding the Fourth Proportional to 18,974,048.76, 28,450,836.36 and 9,853,646.40

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Solution

The fourth proportional to 18,974,048.76, 28,450,836.36 and 9,853,646.40 is: 14,775,153.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,974,048.76 : 28,450,836.36 = 9,853,646.40 : x
  2. Step 2: Convert to fraction form
    18,974,048.76/28,450,836.36 = 9,853,646.40/x
  3. Step 3: Cross multiply
    18,974,048.76x = 28,450,836.36 × 9,853,646.40
  4. Step 4: Simplify right side
    18,974,048.76x = 280,344,481,275,703.09
  5. Step 5: Solve for x
    x = 280,344,481,275,703.09/18,974,048.76
  6. Step 6: Final answer
    x = 14,775,153.41

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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.