Home / 18,719,281.44-25,831,005.12-10,772,081.28

Finding the Fourth Proportional to 18,719,281.44, 25,831,005.12 and 10,772,081.28

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Solution

The fourth proportional to 18,719,281.44, 25,831,005.12 and 10,772,081.28 is: 14,864,549.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,719,281.44 : 25,831,005.12 = 10,772,081.28 : x
  2. Step 2: Convert to fraction form
    18,719,281.44/25,831,005.12 = 10,772,081.28/x
  3. Step 3: Cross multiply
    18,719,281.44x = 25,831,005.12 × 10,772,081.28
  4. Step 4: Simplify right side
    18,719,281.44x = 278,253,686,696,736.16
  5. Step 5: Solve for x
    x = 278,253,686,696,736.16/18,719,281.44
  6. Step 6: Final answer
    x = 14,864,549.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.