Home / 30,090,190.26-45,103,786.54-12,592,773.08

Finding the Fourth Proportional to 30,090,190.26, 45,103,786.54 and 12,592,773.08

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Solution

The fourth proportional to 30,090,190.26, 45,103,786.54 and 12,592,773.08 is: 18,875,977.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,090,190.26 : 45,103,786.54 = 12,592,773.08 : x
  2. Step 2: Convert to fraction form
    30,090,190.26/45,103,786.54 = 12,592,773.08/x
  3. Step 3: Cross multiply
    30,090,190.26x = 45,103,786.54 × 12,592,773.08
  4. Step 4: Simplify right side
    30,090,190.26x = 567,981,748,658,495.50
  5. Step 5: Solve for x
    x = 567,981,748,658,495.50/30,090,190.26
  6. Step 6: Final answer
    x = 18,875,977.31

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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.