Home / 12,121,949.13-18,182,480.82-3,602,064.16

Finding the Fourth Proportional to 12,121,949.13, 18,182,480.82 and 3,602,064.16

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Solution

The fourth proportional to 12,121,949.13, 18,182,480.82 and 3,602,064.16 is: 5,402,964.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,121,949.13 : 18,182,480.82 = 3,602,064.16 : x
  2. Step 2: Convert to fraction form
    12,121,949.13/18,182,480.82 = 3,602,064.16/x
  3. Step 3: Cross multiply
    12,121,949.13x = 18,182,480.82 × 3,602,064.16
  4. Step 4: Simplify right side
    12,121,949.13x = 65,494,462,501,609.41
  5. Step 5: Solve for x
    x = 65,494,462,501,609.41/12,121,949.13
  6. Step 6: Final answer
    x = 5,402,964.64

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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.