Home / 7,039,860.48-9,715,008.78-3,820,596.48

Finding the Fourth Proportional to 7,039,860.48, 9,715,008.78 and 3,820,596.48

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Solution

The fourth proportional to 7,039,860.48, 9,715,008.78 and 3,820,596.48 is: 5,272,423.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039,860.48 : 9,715,008.78 = 3,820,596.48 : x
  2. Step 2: Convert to fraction form
    7,039,860.48/9,715,008.78 = 3,820,596.48/x
  3. Step 3: Cross multiply
    7,039,860.48x = 9,715,008.78 × 3,820,596.48
  4. Step 4: Simplify right side
    7,039,860.48x = 37,117,128,348,037.09
  5. Step 5: Solve for x
    x = 37,117,128,348,037.09/7,039,860.48
  6. Step 6: Final answer
    x = 5,272,423.86

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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.