Home / 19,413,488.16-26,790,756.89-10,711,983.78

Finding the Fourth Proportional to 19,413,488.16, 26,790,756.89 and 10,711,983.78

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Solution

The fourth proportional to 19,413,488.16, 26,790,756.89 and 10,711,983.78 is: 14,782,616.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,413,488.16 : 26,790,756.89 = 10,711,983.78 : x
  2. Step 2: Convert to fraction form
    19,413,488.16/26,790,756.89 = 10,711,983.78/x
  3. Step 3: Cross multiply
    19,413,488.16x = 26,790,756.89 × 10,711,983.78
  4. Step 4: Simplify right side
    19,413,488.16x = 286,982,153,206,043.31
  5. Step 5: Solve for x
    x = 286,982,153,206,043.31/19,413,488.16
  6. Step 6: Final answer
    x = 14,782,616.64

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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.