Home / 13,701,790.54-18,908,485.75-7,422,332.63

Finding the Fourth Proportional to 13,701,790.54, 18,908,485.75 and 7,422,332.63

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Solution

The fourth proportional to 13,701,790.54, 18,908,485.75 and 7,422,332.63 is: 10,242,827.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,701,790.54 : 18,908,485.75 = 7,422,332.63 : x
  2. Step 2: Convert to fraction form
    13,701,790.54/18,908,485.75 = 7,422,332.63/x
  3. Step 3: Cross multiply
    13,701,790.54x = 18,908,485.75 × 7,422,332.63
  4. Step 4: Simplify right side
    13,701,790.54x = 140,345,070,680,850.50
  5. Step 5: Solve for x
    x = 140,345,070,680,850.50/13,701,790.54
  6. Step 6: Final answer
    x = 10,242,827.04

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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.