Home / 12,201,727.59-18,283,669.12-7,071,432.81

Finding the Fourth Proportional to 12,201,727.59, 18,283,669.12 and 7,071,432.81

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Solution

The fourth proportional to 12,201,727.59, 18,283,669.12 and 7,071,432.81 is: 10,596,182.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,201,727.59 : 18,283,669.12 = 7,071,432.81 : x
  2. Step 2: Convert to fraction form
    12,201,727.59/18,283,669.12 = 7,071,432.81/x
  3. Step 3: Cross multiply
    12,201,727.59x = 18,283,669.12 × 7,071,432.81
  4. Step 4: Simplify right side
    12,201,727.59x = 129,291,737,702,351.83
  5. Step 5: Solve for x
    x = 129,291,737,702,351.83/12,201,727.59
  6. Step 6: Final answer
    x = 10,596,182.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.