Home / 13,209,200.19-18,230,688.77-8,055,551.12

Finding the Fourth Proportional to 13,209,200.19, 18,230,688.77 and 8,055,551.12

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Solution

The fourth proportional to 13,209,200.19, 18,230,688.77 and 8,055,551.12 is: 11,117,875.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,209,200.19 : 18,230,688.77 = 8,055,551.12 : x
  2. Step 2: Convert to fraction form
    13,209,200.19/18,230,688.77 = 8,055,551.12/x
  3. Step 3: Cross multiply
    13,209,200.19x = 18,230,688.77 × 8,055,551.12
  4. Step 4: Simplify right side
    13,209,200.19x = 146,858,245,208,113.72
  5. Step 5: Solve for x
    x = 146,858,245,208,113.72/13,209,200.19
  6. Step 6: Final answer
    x = 11,117,875.65

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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.