Home / 30,404,054.12-45,678,837.60-19,495,615.88

Finding the Fourth Proportional to 30,404,054.12, 45,678,837.60 and 19,495,615.88

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Solution

The fourth proportional to 30,404,054.12, 45,678,837.60 and 19,495,615.88 is: 29,290,076.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,404,054.12 : 45,678,837.60 = 19,495,615.88 : x
  2. Step 2: Convert to fraction form
    30,404,054.12/45,678,837.60 = 19,495,615.88/x
  3. Step 3: Cross multiply
    30,404,054.12x = 45,678,837.60 × 19,495,615.88
  4. Step 4: Simplify right side
    30,404,054.12x = 890,537,071,694,501.12
  5. Step 5: Solve for x
    x = 890,537,071,694,501.12/30,404,054.12
  6. Step 6: Final answer
    x = 29,290,076.52

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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.