Home / 7,840,029.40-11,760,389.70-4,428,266.20

Finding the Fourth Proportional to 7,840,029.40, 11,760,389.70 and 4,428,266.20

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Solution

The fourth proportional to 7,840,029.40, 11,760,389.70 and 4,428,266.20 is: 6,642,594.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,840,029.40 : 11,760,389.70 = 4,428,266.20 : x
  2. Step 2: Convert to fraction form
    7,840,029.40/11,760,389.70 = 4,428,266.20/x
  3. Step 3: Cross multiply
    7,840,029.40x = 11,760,389.70 × 4,428,266.20
  4. Step 4: Simplify right side
    7,840,029.40x = 52,078,136,207,338.14
  5. Step 5: Solve for x
    x = 52,078,136,207,338.14/7,840,029.40
  6. Step 6: Final answer
    x = 6,642,594.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.