Home / 25,335,387.16-34,868,586.48-20,889,551.08

Finding the Fourth Proportional to 25,335,387.16, 34,868,586.48 and 20,889,551.08

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Solution

The fourth proportional to 25,335,387.16, 34,868,586.48 and 20,889,551.08 is: 28,749,871.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,335,387.16 : 34,868,586.48 = 20,889,551.08 : x
  2. Step 2: Convert to fraction form
    25,335,387.16/34,868,586.48 = 20,889,551.08/x
  3. Step 3: Cross multiply
    25,335,387.16x = 34,868,586.48 × 20,889,551.08
  4. Step 4: Simplify right side
    25,335,387.16x = 728,389,118,361,357.25
  5. Step 5: Solve for x
    x = 728,389,118,361,357.25/25,335,387.16
  6. Step 6: Final answer
    x = 28,749,871.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.