Home / 9,128,742.28-12,598,057.92-5,054,361.28

Finding the Fourth Proportional to 9,128,742.28, 12,598,057.92 and 5,054,361.28

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Solution

The fourth proportional to 9,128,742.28, 12,598,057.92 and 5,054,361.28 is: 6,975,236.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,128,742.28 : 12,598,057.92 = 5,054,361.28 : x
  2. Step 2: Convert to fraction form
    9,128,742.28/12,598,057.92 = 5,054,361.28/x
  3. Step 3: Cross multiply
    9,128,742.28x = 12,598,057.92 × 5,054,361.28
  4. Step 4: Simplify right side
    9,128,742.28x = 63,675,136,154,045.34
  5. Step 5: Solve for x
    x = 63,675,136,154,045.34/9,128,742.28
  6. Step 6: Final answer
    x = 6,975,236.48

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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.