Home / 21,101,506.70-31,651,669.53-6,725,437.16

Finding the Fourth Proportional to 21,101,506.70, 31,651,669.53 and 6,725,437.16

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Solution

The fourth proportional to 21,101,506.70, 31,651,669.53 and 6,725,437.16 is: 10,087,967.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,101,506.70 : 31,651,669.53 = 6,725,437.16 : x
  2. Step 2: Convert to fraction form
    21,101,506.70/31,651,669.53 = 6,725,437.16/x
  3. Step 3: Cross multiply
    21,101,506.70x = 31,651,669.53 × 6,725,437.16
  4. Step 4: Simplify right side
    21,101,506.70x = 212,871,314,274,843.41
  5. Step 5: Solve for x
    x = 212,871,314,274,843.41/21,101,506.70
  6. Step 6: Final answer
    x = 10,087,967.53

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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.