Home / 28,108,960.87-38,789,637.41-15,550,479.49

Finding the Fourth Proportional to 28,108,960.87, 38,789,637.41 and 15,550,479.49

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Solution

The fourth proportional to 28,108,960.87, 38,789,637.41 and 15,550,479.49 is: 21,459,258.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,108,960.87 : 38,789,637.41 = 15,550,479.49 : x
  2. Step 2: Convert to fraction form
    28,108,960.87/38,789,637.41 = 15,550,479.49/x
  3. Step 3: Cross multiply
    28,108,960.87x = 38,789,637.41 × 15,550,479.49
  4. Step 4: Simplify right side
    28,108,960.87x = 603,197,460,968,741.62
  5. Step 5: Solve for x
    x = 603,197,460,968,741.62/28,108,960.87
  6. Step 6: Final answer
    x = 21,459,258.62

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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.