Home / 11,428,670.50-15,745,679.91-10,883,860.35

Finding the Fourth Proportional to 11,428,670.50, 15,745,679.91 and 10,883,860.35

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Solution

The fourth proportional to 11,428,670.50, 15,745,679.91 and 10,883,860.35 is: 14,995,075.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,428,670.50 : 15,745,679.91 = 10,883,860.35 : x
  2. Step 2: Convert to fraction form
    11,428,670.50/15,745,679.91 = 10,883,860.35/x
  3. Step 3: Cross multiply
    11,428,670.50x = 15,745,679.91 × 10,883,860.35
  4. Step 4: Simplify right side
    11,428,670.50x = 171,373,781,197,194.25
  5. Step 5: Solve for x
    x = 171,373,781,197,194.25/11,428,670.50
  6. Step 6: Final answer
    x = 14,995,075.87

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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.