Home / 19,116,643.80-28,674,965.70-17,203,456.20

Finding the Fourth Proportional to 19,116,643.80, 28,674,965.70 and 17,203,456.20

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Solution

The fourth proportional to 19,116,643.80, 28,674,965.70 and 17,203,456.20 is: 25,805,184.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,116,643.80 : 28,674,965.70 = 17,203,456.20 : x
  2. Step 2: Convert to fraction form
    19,116,643.80/28,674,965.70 = 17,203,456.20/x
  3. Step 3: Cross multiply
    19,116,643.80x = 28,674,965.70 × 17,203,456.20
  4. Step 4: Simplify right side
    19,116,643.80x = 493,308,516,456,452.31
  5. Step 5: Solve for x
    x = 493,308,516,456,452.31/19,116,643.80
  6. Step 6: Final answer
    x = 25,805,184.30

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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.