Home / 28,082,720.40-42,124,080.60-23,831,192.40

Finding the Fourth Proportional to 28,082,720.40, 42,124,080.60 and 23,831,192.40

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Solution

The fourth proportional to 28,082,720.40, 42,124,080.60 and 23,831,192.40 is: 35,746,788.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082,720.40 : 42,124,080.60 = 23,831,192.40 : x
  2. Step 2: Convert to fraction form
    28,082,720.40/42,124,080.60 = 23,831,192.40/x
  3. Step 3: Cross multiply
    28,082,720.40x = 42,124,080.60 × 23,831,192.40
  4. Step 4: Simplify right side
    28,082,720.40x = 1,003,867,069,451,707.38
  5. Step 5: Solve for x
    x = 1,003,867,069,451,707.38/28,082,720.40
  6. Step 6: Final answer
    x = 35,746,788.60

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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.