Home / 15,028,105.77-20,725,984.15-11,551,858.74

Finding the Fourth Proportional to 15,028,105.77, 20,725,984.15 and 11,551,858.74

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Solution

The fourth proportional to 15,028,105.77, 20,725,984.15 and 11,551,858.74 is: 15,931,724.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,028,105.77 : 20,725,984.15 = 11,551,858.74 : x
  2. Step 2: Convert to fraction form
    15,028,105.77/20,725,984.15 = 11,551,858.74/x
  3. Step 3: Cross multiply
    15,028,105.77x = 20,725,984.15 × 11,551,858.74
  4. Step 4: Simplify right side
    15,028,105.77x = 239,423,641,119,399.34
  5. Step 5: Solve for x
    x = 239,423,641,119,399.34/15,028,105.77
  6. Step 6: Final answer
    x = 15,931,724.52

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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.