Home / 32,468,021.60-48,702,032.40-20,138,590.40

Finding the Fourth Proportional to 32,468,021.60, 48,702,032.40 and 20,138,590.40

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Solution

The fourth proportional to 32,468,021.60, 48,702,032.40 and 20,138,590.40 is: 30,207,885.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,468,021.60 : 48,702,032.40 = 20,138,590.40 : x
  2. Step 2: Convert to fraction form
    32,468,021.60/48,702,032.40 = 20,138,590.40/x
  3. Step 3: Cross multiply
    32,468,021.60x = 48,702,032.40 × 20,138,590.40
  4. Step 4: Simplify right side
    32,468,021.60x = 980,790,282,151,128.88
  5. Step 5: Solve for x
    x = 980,790,282,151,128.88/32,468,021.60
  6. Step 6: Final answer
    x = 30,207,885.60

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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.