Home / 12,640,270.11-17,438,609.64-7,341,063

Finding the Fourth Proportional to 12,640,270.11, 17,438,609.64 and 7,341,063

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Solution

The fourth proportional to 12,640,270.11, 17,438,609.64 and 7,341,063 is: 10,127,784.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,640,270.11 : 17,438,609.64 = 7,341,063 : x
  2. Step 2: Convert to fraction form
    12,640,270.11/17,438,609.64 = 7,341,063/x
  3. Step 3: Cross multiply
    12,640,270.11x = 17,438,609.64 × 7,341,063
  4. Step 4: Simplify right side
    12,640,270.11x = 128,017,931,999,647.33
  5. Step 5: Solve for x
    x = 128,017,931,999,647.33/12,640,270.11
  6. Step 6: Final answer
    x = 10,127,784.52

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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.