Home / 21,483,988.40-32,225,982.60-20,551,014.20

Finding the Fourth Proportional to 21,483,988.40, 32,225,982.60 and 20,551,014.20

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Solution

The fourth proportional to 21,483,988.40, 32,225,982.60 and 20,551,014.20 is: 30,826,521.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,483,988.40 : 32,225,982.60 = 20,551,014.20 : x
  2. Step 2: Convert to fraction form
    21,483,988.40/32,225,982.60 = 20,551,014.20/x
  3. Step 3: Cross multiply
    21,483,988.40x = 32,225,982.60 × 20,551,014.20
  4. Step 4: Simplify right side
    21,483,988.40x = 662,276,626,021,552.88
  5. Step 5: Solve for x
    x = 662,276,626,021,552.88/21,483,988.40
  6. Step 6: Final answer
    x = 30,826,521.30

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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.