Home / 20,736,076.60-31,104,114.90-8,768,812.60

Finding the Fourth Proportional to 20,736,076.60, 31,104,114.90 and 8,768,812.60

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Solution

The fourth proportional to 20,736,076.60, 31,104,114.90 and 8,768,812.60 is: 13,153,218.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,076.60 : 31,104,114.90 = 8,768,812.60 : x
  2. Step 2: Convert to fraction form
    20,736,076.60/31,104,114.90 = 8,768,812.60/x
  3. Step 3: Cross multiply
    20,736,076.60x = 31,104,114.90 × 8,768,812.60
  4. Step 4: Simplify right side
    20,736,076.60x = 272,746,154,646,967.72
  5. Step 5: Solve for x
    x = 272,746,154,646,967.72/20,736,076.60
  6. Step 6: Final answer
    x = 13,153,218.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.