Home / 30,488,755.36-45,698,345.14-12,281,299.96

Finding the Fourth Proportional to 30,488,755.36, 45,698,345.14 and 12,281,299.96

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Solution

The fourth proportional to 30,488,755.36, 45,698,345.14 and 12,281,299.96 is: 18,407,936.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,488,755.36 : 45,698,345.14 = 12,281,299.96 : x
  2. Step 2: Convert to fraction form
    30,488,755.36/45,698,345.14 = 12,281,299.96/x
  3. Step 3: Cross multiply
    30,488,755.36x = 45,698,345.14 × 12,281,299.96
  4. Step 4: Simplify right side
    30,488,755.36x = 561,235,084,339,948.25
  5. Step 5: Solve for x
    x = 561,235,084,339,948.25/30,488,755.36
  6. Step 6: Final answer
    x = 18,407,936.88

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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.