Home / 25,868,047.20-38,802,070.80-17,805,890.40

Finding the Fourth Proportional to 25,868,047.20, 38,802,070.80 and 17,805,890.40

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Solution

The fourth proportional to 25,868,047.20, 38,802,070.80 and 17,805,890.40 is: 26,708,835.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,868,047.20 : 38,802,070.80 = 17,805,890.40 : x
  2. Step 2: Convert to fraction form
    25,868,047.20/38,802,070.80 = 17,805,890.40/x
  3. Step 3: Cross multiply
    25,868,047.20x = 38,802,070.80 × 17,805,890.40
  4. Step 4: Simplify right side
    25,868,047.20x = 690,905,419,957,840.25
  5. Step 5: Solve for x
    x = 690,905,419,957,840.25/25,868,047.20
  6. Step 6: Final answer
    x = 26,708,835.60

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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.