Home / 14,021,195.04-20,913,988.32-12,729,597.12

Finding the Fourth Proportional to 14,021,195.04, 20,913,988.32 and 12,729,597.12

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Solution

The fourth proportional to 14,021,195.04, 20,913,988.32 and 12,729,597.12 is: 18,987,443.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021,195.04 : 20,913,988.32 = 12,729,597.12 : x
  2. Step 2: Convert to fraction form
    14,021,195.04/20,913,988.32 = 12,729,597.12/x
  3. Step 3: Cross multiply
    14,021,195.04x = 20,913,988.32 × 12,729,597.12
  4. Step 4: Simplify right side
    14,021,195.04x = 266,226,645,485,985.62
  5. Step 5: Solve for x
    x = 266,226,645,485,985.62/14,021,195.04
  6. Step 6: Final answer
    x = 18,987,443.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.