Home / 20,799,495.89-28,703,282.61-11,632,138.64

Finding the Fourth Proportional to 20,799,495.89, 28,703,282.61 and 11,632,138.64

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Solution

The fourth proportional to 20,799,495.89, 28,703,282.61 and 11,632,138.64 is: 16,052,339.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,799,495.89 : 28,703,282.61 = 11,632,138.64 : x
  2. Step 2: Convert to fraction form
    20,799,495.89/28,703,282.61 = 11,632,138.64/x
  3. Step 3: Cross multiply
    20,799,495.89x = 28,703,282.61 × 11,632,138.64
  4. Step 4: Simplify right side
    20,799,495.89x = 333,880,562,742,621.06
  5. Step 5: Solve for x
    x = 333,880,562,742,621.06/20,799,495.89
  6. Step 6: Final answer
    x = 16,052,339.18

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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.