Home / 19,780,063.48-27,287,792.46-11,935,200.02

Finding the Fourth Proportional to 19,780,063.48, 27,287,792.46 and 11,935,200.02

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Solution

The fourth proportional to 19,780,063.48, 27,287,792.46 and 11,935,200.02 is: 16,465,329.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,780,063.48 : 27,287,792.46 = 11,935,200.02 : x
  2. Step 2: Convert to fraction form
    19,780,063.48/27,287,792.46 = 11,935,200.02/x
  3. Step 3: Cross multiply
    19,780,063.48x = 27,287,792.46 × 11,935,200.02
  4. Step 4: Simplify right side
    19,780,063.48x = 325,685,260,977,908.94
  5. Step 5: Solve for x
    x = 325,685,260,977,908.94/19,780,063.48
  6. Step 6: Final answer
    x = 16,465,329.41

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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.