Home / 15,750,313.43-21,740,236.47-9,136,573.25

Finding the Fourth Proportional to 15,750,313.43, 21,740,236.47 and 9,136,573.25

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Solution

The fourth proportional to 15,750,313.43, 21,740,236.47 and 9,136,573.25 is: 12,611,257.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,750,313.43 : 21,740,236.47 = 9,136,573.25 : x
  2. Step 2: Convert to fraction form
    15,750,313.43/21,740,236.47 = 9,136,573.25/x
  3. Step 3: Cross multiply
    15,750,313.43x = 21,740,236.47 × 9,136,573.25
  4. Step 4: Simplify right side
    15,750,313.43x = 198,631,262,871,775.22
  5. Step 5: Solve for x
    x = 198,631,262,871,775.22/15,750,313.43
  6. Step 6: Final answer
    x = 12,611,257.79

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1.5x scale

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.