Home / 12,701,857.60-17,527,298.76-7,194,133.20

Finding the Fourth Proportional to 12,701,857.60, 17,527,298.76 and 7,194,133.20

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Solution

The fourth proportional to 12,701,857.60, 17,527,298.76 and 7,194,133.20 is: 9,927,187.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,701,857.60 : 17,527,298.76 = 7,194,133.20 : x
  2. Step 2: Convert to fraction form
    12,701,857.60/17,527,298.76 = 7,194,133.20/x
  3. Step 3: Cross multiply
    12,701,857.60x = 17,527,298.76 × 7,194,133.20
  4. Step 4: Simplify right side
    12,701,857.60x = 126,093,721,915,634.84
  5. Step 5: Solve for x
    x = 126,093,721,915,634.84/12,701,857.60
  6. Step 6: Final answer
    x = 9,927,187.49

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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.