Home / 39,256,507.91-54,171,370.95-21,852,405.65

Finding the Fourth Proportional to 39,256,507.91, 54,171,370.95 and 21,852,405.65

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Solution

The fourth proportional to 39,256,507.91, 54,171,370.95 and 21,852,405.65 is: 30,154,866.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,256,507.91 : 54,171,370.95 = 21,852,405.65 : x
  2. Step 2: Convert to fraction form
    39,256,507.91/54,171,370.95 = 21,852,405.65/x
  3. Step 3: Cross multiply
    39,256,507.91x = 54,171,370.95 × 21,852,405.65
  4. Step 4: Simplify right side
    39,256,507.91x = 1,183,774,772,616,025.75
  5. Step 5: Solve for x
    x = 1,183,774,772,616,025.75/39,256,507.91
  6. Step 6: Final answer
    x = 30,154,866.94

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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.