Home / 19,354,443.60-29,031,665.40-12,551,998.80

Finding the Fourth Proportional to 19,354,443.60, 29,031,665.40 and 12,551,998.80

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Solution

The fourth proportional to 19,354,443.60, 29,031,665.40 and 12,551,998.80 is: 18,827,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,354,443.60 : 29,031,665.40 = 12,551,998.80 : x
  2. Step 2: Convert to fraction form
    19,354,443.60/29,031,665.40 = 12,551,998.80/x
  3. Step 3: Cross multiply
    19,354,443.60x = 29,031,665.40 × 12,551,998.80
  4. Step 4: Simplify right side
    19,354,443.60x = 364,405,429,262,801.50
  5. Step 5: Solve for x
    x = 364,405,429,262,801.50/19,354,443.60
  6. Step 6: Final answer
    x = 18,827,998.20

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Similar ratio
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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.