Home / 19,890,988.34-27,447,108.45-12,546,047.18

Finding the Fourth Proportional to 19,890,988.34, 27,447,108.45 and 12,546,047.18

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Solution

The fourth proportional to 19,890,988.34, 27,447,108.45 and 12,546,047.18 is: 17,311,996.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,890,988.34 : 27,447,108.45 = 12,546,047.18 : x
  2. Step 2: Convert to fraction form
    19,890,988.34/27,447,108.45 = 12,546,047.18/x
  3. Step 3: Cross multiply
    19,890,988.34x = 27,447,108.45 × 12,546,047.18
  4. Step 4: Simplify right side
    19,890,988.34x = 344,352,717,568,276.62
  5. Step 5: Solve for x
    x = 344,352,717,568,276.62/19,890,988.34
  6. Step 6: Final answer
    x = 17,311,996.35

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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.