Home / 15,289,509-21,094,771.59-8,673,007.80

Finding the Fourth Proportional to 15,289,509, 21,094,771.59 and 8,673,007.80

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Solution

The fourth proportional to 15,289,509, 21,094,771.59 and 8,673,007.80 is: 11,966,055.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,289,509 : 21,094,771.59 = 8,673,007.80 : x
  2. Step 2: Convert to fraction form
    15,289,509/21,094,771.59 = 8,673,007.80/x
  3. Step 3: Cross multiply
    15,289,509x = 21,094,771.59 × 8,673,007.80
  4. Step 4: Simplify right side
    15,289,509x = 182,955,118,539,288.41
  5. Step 5: Solve for x
    x = 182,955,118,539,288.41/15,289,509
  6. Step 6: Final answer
    x = 11,966,055.85

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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.