Home / 19,141,391.91-28,686,440.73-17,915,567.46

Finding the Fourth Proportional to 19,141,391.91, 28,686,440.73 and 17,915,567.46

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Solution

The fourth proportional to 19,141,391.91, 28,686,440.73 and 17,915,567.46 is: 26,849,346.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,141,391.91 : 28,686,440.73 = 17,915,567.46 : x
  2. Step 2: Convert to fraction form
    19,141,391.91/28,686,440.73 = 17,915,567.46/x
  3. Step 3: Cross multiply
    19,141,391.91x = 28,686,440.73 × 17,915,567.46
  4. Step 4: Simplify right side
    19,141,391.91x = 513,933,864,085,606.69
  5. Step 5: Solve for x
    x = 513,933,864,085,606.69/19,141,391.91
  6. Step 6: Final answer
    x = 26,849,346.51

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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.