Home / 19,587,205.60-29,380,808.40-18,243,512.80

Finding the Fourth Proportional to 19,587,205.60, 29,380,808.40 and 18,243,512.80

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Solution

The fourth proportional to 19,587,205.60, 29,380,808.40 and 18,243,512.80 is: 27,365,269.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,587,205.60 : 29,380,808.40 = 18,243,512.80 : x
  2. Step 2: Convert to fraction form
    19,587,205.60/29,380,808.40 = 18,243,512.80/x
  3. Step 3: Cross multiply
    19,587,205.60x = 29,380,808.40 × 18,243,512.80
  4. Step 4: Simplify right side
    19,587,205.60x = 536,009,154,119,747.50
  5. Step 5: Solve for x
    x = 536,009,154,119,747.50/19,587,205.60
  6. Step 6: Final answer
    x = 27,365,269.20

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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.