Home / 40,849,397.80-61,274,096.70-20,652,015.40

Finding the Fourth Proportional to 40,849,397.80, 61,274,096.70 and 20,652,015.40

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Solution

The fourth proportional to 40,849,397.80, 61,274,096.70 and 20,652,015.40 is: 30,978,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,849,397.80 : 61,274,096.70 = 20,652,015.40 : x
  2. Step 2: Convert to fraction form
    40,849,397.80/61,274,096.70 = 20,652,015.40/x
  3. Step 3: Cross multiply
    40,849,397.80x = 61,274,096.70 × 20,652,015.40
  4. Step 4: Simplify right side
    40,849,397.80x = 1,265,433,588,669,489.25
  5. Step 5: Solve for x
    x = 1,265,433,588,669,489.25/40,849,397.80
  6. Step 6: Final answer
    x = 30,978,023.10

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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.