Home / 12,842,983.77-17,724,113.87-7,119,847.77

Finding the Fourth Proportional to 12,842,983.77, 17,724,113.87 and 7,119,847.77

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Solution

The fourth proportional to 12,842,983.77, 17,724,113.87 and 7,119,847.77 is: 9,825,831.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,842,983.77 : 17,724,113.87 = 7,119,847.77 : x
  2. Step 2: Convert to fraction form
    12,842,983.77/17,724,113.87 = 7,119,847.77/x
  3. Step 3: Cross multiply
    12,842,983.77x = 17,724,113.87 × 7,119,847.77
  4. Step 4: Simplify right side
    12,842,983.77x = 126,192,992,576,946.31
  5. Step 5: Solve for x
    x = 126,192,992,576,946.31/12,842,983.77
  6. Step 6: Final answer
    x = 9,825,831.35

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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.