Home / 28,928,340.90-39,918,471.78-17,165,582.07

Finding the Fourth Proportional to 28,928,340.90, 39,918,471.78 and 17,165,582.07

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Solution

The fourth proportional to 28,928,340.90, 39,918,471.78 and 17,165,582.07 is: 23,686,937.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,928,340.90 : 39,918,471.78 = 17,165,582.07 : x
  2. Step 2: Convert to fraction form
    28,928,340.90/39,918,471.78 = 17,165,582.07/x
  3. Step 3: Cross multiply
    28,928,340.90x = 39,918,471.78 × 17,165,582.07
  4. Step 4: Simplify right side
    28,928,340.90x = 685,223,803,448,569
  5. Step 5: Solve for x
    x = 685,223,803,448,569/28,928,340.90
  6. Step 6: Final answer
    x = 23,686,937.52

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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.