Home / 21,525,164.40-32,287,746.60-20,592,190.20

Finding the Fourth Proportional to 21,525,164.40, 32,287,746.60 and 20,592,190.20

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Solution

The fourth proportional to 21,525,164.40, 32,287,746.60 and 20,592,190.20 is: 30,888,285.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,525,164.40 : 32,287,746.60 = 20,592,190.20 : x
  2. Step 2: Convert to fraction form
    21,525,164.40/32,287,746.60 = 20,592,190.20/x
  3. Step 3: Cross multiply
    21,525,164.40x = 32,287,746.60 × 20,592,190.20
  4. Step 4: Simplify right side
    21,525,164.40x = 664,875,419,116,603.38
  5. Step 5: Solve for x
    x = 664,875,419,116,603.38/21,525,164.40
  6. Step 6: Final answer
    x = 30,888,285.30

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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.