Home / 19,417,667.20-29,126,500.80-8,056,931.20

Finding the Fourth Proportional to 19,417,667.20, 29,126,500.80 and 8,056,931.20

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Solution

The fourth proportional to 19,417,667.20, 29,126,500.80 and 8,056,931.20 is: 12,085,396.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,417,667.20 : 29,126,500.80 = 8,056,931.20 : x
  2. Step 2: Convert to fraction form
    19,417,667.20/29,126,500.80 = 8,056,931.20/x
  3. Step 3: Cross multiply
    19,417,667.20x = 29,126,500.80 × 8,056,931.20
  4. Step 4: Simplify right side
    19,417,667.20x = 234,670,213,042,344.97
  5. Step 5: Solve for x
    x = 234,670,213,042,344.97/19,417,667.20
  6. Step 6: Final answer
    x = 12,085,396.80

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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.