Home / 12,765,784.55-17,616,698.82-7,259,159.70

Finding the Fourth Proportional to 12,765,784.55, 17,616,698.82 and 7,259,159.70

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Solution

The fourth proportional to 12,765,784.55, 17,616,698.82 and 7,259,159.70 is: 10,017,592.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,765,784.55 : 17,616,698.82 = 7,259,159.70 : x
  2. Step 2: Convert to fraction form
    12,765,784.55/17,616,698.82 = 7,259,159.70/x
  3. Step 3: Cross multiply
    12,765,784.55x = 17,616,698.82 × 7,259,159.70
  4. Step 4: Simplify right side
    12,765,784.55x = 127,882,430,121,181.56
  5. Step 5: Solve for x
    x = 127,882,430,121,181.56/12,765,784.55
  6. Step 6: Final answer
    x = 10,017,592.70

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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.