Home / 12,520,663.75-17,278,214.88-7,014,270.79

Finding the Fourth Proportional to 12,520,663.75, 17,278,214.88 and 7,014,270.79

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Solution

The fourth proportional to 12,520,663.75, 17,278,214.88 and 7,014,270.79 is: 9,679,525.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,520,663.75 : 17,278,214.88 = 7,014,270.79 : x
  2. Step 2: Convert to fraction form
    12,520,663.75/17,278,214.88 = 7,014,270.79/x
  3. Step 3: Cross multiply
    12,520,663.75x = 17,278,214.88 × 7,014,270.79
  4. Step 4: Simplify right side
    12,520,663.75x = 121,194,077,936,127.34
  5. Step 5: Solve for x
    x = 121,194,077,936,127.34/12,520,663.75
  6. Step 6: Final answer
    x = 9,679,525.01

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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.