Home / 19,809,109.20-29,713,663.80-5,433,630.15

Finding the Fourth Proportional to 19,809,109.20, 29,713,663.80 and 5,433,630.15

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Solution

The fourth proportional to 19,809,109.20, 29,713,663.80 and 5,433,630.15 is: 8,150,445.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,809,109.20 : 29,713,663.80 = 5,433,630.15 : x
  2. Step 2: Convert to fraction form
    19,809,109.20/29,713,663.80 = 5,433,630.15/x
  3. Step 3: Cross multiply
    19,809,109.20x = 29,713,663.80 × 5,433,630.15
  4. Step 4: Simplify right side
    19,809,109.20x = 161,453,059,490,643.59
  5. Step 5: Solve for x
    x = 161,453,059,490,643.59/19,809,109.20
  6. Step 6: Final answer
    x = 8,150,445.23

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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.