Home / 21,101,504.94-31,651,666.91-6,725,435.40

Finding the Fourth Proportional to 21,101,504.94, 31,651,666.91 and 6,725,435.40

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Solution

The fourth proportional to 21,101,504.94, 31,651,666.91 and 6,725,435.40 is: 10,087,964.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,101,504.94 : 31,651,666.91 = 6,725,435.40 : x
  2. Step 2: Convert to fraction form
    21,101,504.94/31,651,666.91 = 6,725,435.40/x
  3. Step 3: Cross multiply
    21,101,504.94x = 31,651,666.91 × 6,725,435.40
  4. Step 4: Simplify right side
    21,101,504.94x = 212,871,240,947,264.28
  5. Step 5: Solve for x
    x = 212,871,240,947,264.28/21,101,504.94
  6. Step 6: Final answer
    x = 10,087,964.89

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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.