Home / 20,597,439.80-30,896,159.70-5,452,902.20

Finding the Fourth Proportional to 20,597,439.80, 30,896,159.70 and 5,452,902.20

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Solution

The fourth proportional to 20,597,439.80, 30,896,159.70 and 5,452,902.20 is: 8,179,353.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,597,439.80 : 30,896,159.70 = 5,452,902.20 : x
  2. Step 2: Convert to fraction form
    20,597,439.80/30,896,159.70 = 5,452,902.20/x
  3. Step 3: Cross multiply
    20,597,439.80x = 30,896,159.70 × 5,452,902.20
  4. Step 4: Simplify right side
    20,597,439.80x = 168,473,737,199,681.34
  5. Step 5: Solve for x
    x = 168,473,737,199,681.34/20,597,439.80
  6. Step 6: Final answer
    x = 8,179,353.30

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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.