Home / 38,134,146.87-52,624,902.78-21,617,387.01

Finding the Fourth Proportional to 38,134,146.87, 52,624,902.78 and 21,617,387.01

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Solution

The fourth proportional to 38,134,146.87, 52,624,902.78 and 21,617,387.01 is: 29,831,869.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,134,146.87 : 52,624,902.78 = 21,617,387.01 : x
  2. Step 2: Convert to fraction form
    38,134,146.87/52,624,902.78 = 21,617,387.01/x
  3. Step 3: Cross multiply
    38,134,146.87x = 52,624,902.78 × 21,617,387.01
  4. Step 4: Simplify right side
    38,134,146.87x = 1,137,612,889,758,885
  5. Step 5: Solve for x
    x = 1,137,612,889,758,885/38,134,146.87
  6. Step 6: Final answer
    x = 29,831,869.42

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1.5x scale

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.