Home / 13,720,448.12-20,606,261.61-12,079,707.07

Finding the Fourth Proportional to 13,720,448.12, 20,606,261.61 and 12,079,707.07

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Solution

The fourth proportional to 13,720,448.12, 20,606,261.61 and 12,079,707.07 is: 18,142,089.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,720,448.12 : 20,606,261.61 = 12,079,707.07 : x
  2. Step 2: Convert to fraction form
    13,720,448.12/20,606,261.61 = 12,079,707.07/x
  3. Step 3: Cross multiply
    13,720,448.12x = 20,606,261.61 × 12,079,707.07
  4. Step 4: Simplify right side
    13,720,448.12x = 248,917,604,005,070.94
  5. Step 5: Solve for x
    x = 248,917,604,005,070.94/13,720,448.12
  6. Step 6: Final answer
    x = 18,142,089.96

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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.