Home / 9,150,908.81-12,628,486.56-5,020,938.84

Finding the Fourth Proportional to 9,150,908.81, 12,628,486.56 and 5,020,938.84

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Solution

The fourth proportional to 9,150,908.81, 12,628,486.56 and 5,020,938.84 is: 6,929,023.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,150,908.81 : 12,628,486.56 = 5,020,938.84 : x
  2. Step 2: Convert to fraction form
    9,150,908.81/12,628,486.56 = 5,020,938.84/x
  3. Step 3: Cross multiply
    9,150,908.81x = 12,628,486.56 × 5,020,938.84
  4. Step 4: Simplify right side
    9,150,908.81x = 63,406,858,659,521.99
  5. Step 5: Solve for x
    x = 63,406,858,659,521.99/9,150,908.81
  6. Step 6: Final answer
    x = 6,929,023.11

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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.