Home / 20,108,347.58-27,748,702.56-11,406,333.35

Finding the Fourth Proportional to 20,108,347.58, 27,748,702.56 and 11,406,333.35

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Solution

The fourth proportional to 20,108,347.58, 27,748,702.56 and 11,406,333.35 is: 15,740,276.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,108,347.58 : 27,748,702.56 = 11,406,333.35 : x
  2. Step 2: Convert to fraction form
    20,108,347.58/27,748,702.56 = 11,406,333.35/x
  3. Step 3: Cross multiply
    20,108,347.58x = 27,748,702.56 × 11,406,333.35
  4. Step 4: Simplify right side
    20,108,347.58x = 316,510,951,290,614.88
  5. Step 5: Solve for x
    x = 316,510,951,290,614.88/20,108,347.58
  6. Step 6: Final answer
    x = 15,740,276.52

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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.