Home / 39,088,570.12-53,942,289.06-21,684,915.16

Finding the Fourth Proportional to 39,088,570.12, 53,942,289.06 and 21,684,915.16

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Solution

The fourth proportional to 39,088,570.12, 53,942,289.06 and 21,684,915.16 is: 29,925,217.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,088,570.12 : 53,942,289.06 = 21,684,915.16 : x
  2. Step 2: Convert to fraction form
    39,088,570.12/53,942,289.06 = 21,684,915.16/x
  3. Step 3: Cross multiply
    39,088,570.12x = 53,942,289.06 × 21,684,915.16
  4. Step 4: Simplify right side
    39,088,570.12x = 1,169,733,961,802,296.25
  5. Step 5: Solve for x
    x = 1,169,733,961,802,296.25/39,088,570.12
  6. Step 6: Final answer
    x = 29,925,217.48

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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.