Home / 13,773,345.60-20,660,018.40-12,933,537.60

Finding the Fourth Proportional to 13,773,345.60, 20,660,018.40 and 12,933,537.60

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Solution

The fourth proportional to 13,773,345.60, 20,660,018.40 and 12,933,537.60 is: 19,400,306.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,773,345.60 : 20,660,018.40 = 12,933,537.60 : x
  2. Step 2: Convert to fraction form
    13,773,345.60/20,660,018.40 = 12,933,537.60/x
  3. Step 3: Cross multiply
    13,773,345.60x = 20,660,018.40 × 12,933,537.60
  4. Step 4: Simplify right side
    13,773,345.60x = 267,207,124,793,091.81
  5. Step 5: Solve for x
    x = 267,207,124,793,091.81/13,773,345.60
  6. Step 6: Final answer
    x = 19,400,306.40

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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.