Home / 19,928,405.60-29,892,608.40-6,465,233.60

Finding the Fourth Proportional to 19,928,405.60, 29,892,608.40 and 6,465,233.60

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Solution

The fourth proportional to 19,928,405.60, 29,892,608.40 and 6,465,233.60 is: 9,697,850.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928,405.60 : 29,892,608.40 = 6,465,233.60 : x
  2. Step 2: Convert to fraction form
    19,928,405.60/29,892,608.40 = 6,465,233.60/x
  3. Step 3: Cross multiply
    19,928,405.60x = 29,892,608.40 × 6,465,233.60
  4. Step 4: Simplify right side
    19,928,405.60x = 193,262,696,219,322.22
  5. Step 5: Solve for x
    x = 193,262,696,219,322.22/19,928,405.60
  6. Step 6: Final answer
    x = 9,697,850.40

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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.