Home / 21,101,505.94-31,651,668.41-6,725,436.40

Finding the Fourth Proportional to 21,101,505.94, 31,651,668.41 and 6,725,436.40

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Solution

The fourth proportional to 21,101,505.94, 31,651,668.41 and 6,725,436.40 is: 10,087,966.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,101,505.94 : 31,651,668.41 = 6,725,436.40 : x
  2. Step 2: Convert to fraction form
    21,101,505.94/31,651,668.41 = 6,725,436.40/x
  3. Step 3: Cross multiply
    21,101,505.94x = 31,651,668.41 × 6,725,436.40
  4. Step 4: Simplify right side
    21,101,505.94x = 212,871,282,845,344.12
  5. Step 5: Solve for x
    x = 212,871,282,845,344.12/21,101,505.94
  6. Step 6: Final answer
    x = 10,087,966.40

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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.