Home / 21,046,639.60-31,570,837.32-6,669,389.04

Finding the Fourth Proportional to 21,046,639.60, 31,570,837.32 and 6,669,389.04

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Solution

The fourth proportional to 21,046,639.60, 31,570,837.32 and 6,669,389.04 is: 10,004,361.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,046,639.60 : 31,570,837.32 = 6,669,389.04 : x
  2. Step 2: Convert to fraction form
    21,046,639.60/31,570,837.32 = 6,669,389.04/x
  3. Step 3: Cross multiply
    21,046,639.60x = 31,570,837.32 × 6,669,389.04
  4. Step 4: Simplify right side
    21,046,639.60x = 210,558,196,405,630.97
  5. Step 5: Solve for x
    x = 210,558,196,405,630.97/21,046,639.60
  6. Step 6: Final answer
    x = 10,004,361.76

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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.