Home / 20,355,611.40-30,533,417.10-6,892,439.40

Finding the Fourth Proportional to 20,355,611.40, 30,533,417.10 and 6,892,439.40

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Solution

The fourth proportional to 20,355,611.40, 30,533,417.10 and 6,892,439.40 is: 10,338,659.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,355,611.40 : 30,533,417.10 = 6,892,439.40 : x
  2. Step 2: Convert to fraction form
    20,355,611.40/30,533,417.10 = 6,892,439.40/x
  3. Step 3: Cross multiply
    20,355,611.40x = 30,533,417.10 × 6,892,439.40
  4. Step 4: Simplify right side
    20,355,611.40x = 210,449,727,036,673.75
  5. Step 5: Solve for x
    x = 210,449,727,036,673.75/20,355,611.40
  6. Step 6: Final answer
    x = 10,338,659.10

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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.