Home / 9,128,736.28-12,598,049.64-5,054,355.28

Finding the Fourth Proportional to 9,128,736.28, 12,598,049.64 and 5,054,355.28

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Solution

The fourth proportional to 9,128,736.28, 12,598,049.64 and 5,054,355.28 is: 6,975,228.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,128,736.28 : 12,598,049.64 = 5,054,355.28 : x
  2. Step 2: Convert to fraction form
    9,128,736.28/12,598,049.64 = 5,054,355.28/x
  3. Step 3: Cross multiply
    9,128,736.28x = 12,598,049.64 × 5,054,355.28
  4. Step 4: Simplify right side
    9,128,736.28x = 63,675,018,715,636.11
  5. Step 5: Solve for x
    x = 63,675,018,715,636.11/9,128,736.28
  6. Step 6: Final answer
    x = 6,975,228.20

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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.