Home / 20,154,868.20-30,232,302.30-7,376,664.60

Finding the Fourth Proportional to 20,154,868.20, 30,232,302.30 and 7,376,664.60

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Solution

The fourth proportional to 20,154,868.20, 30,232,302.30 and 7,376,664.60 is: 11,064,996.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,154,868.20 : 30,232,302.30 = 7,376,664.60 : x
  2. Step 2: Convert to fraction form
    20,154,868.20/30,232,302.30 = 7,376,664.60/x
  3. Step 3: Cross multiply
    20,154,868.20x = 30,232,302.30 × 7,376,664.60
  4. Step 4: Simplify right side
    20,154,868.20x = 223,013,554,152,908.56
  5. Step 5: Solve for x
    x = 223,013,554,152,908.56/20,154,868.20
  6. Step 6: Final answer
    x = 11,064,996.90

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1.5x scale

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.