Home / 13,310,284.81-19,967,633.61-4,672,143.80

Finding the Fourth Proportional to 13,310,284.81, 19,967,633.61 and 4,672,143.80

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Solution

The fourth proportional to 13,310,284.81, 19,967,633.61 and 4,672,143.80 is: 7,008,990.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310,284.81 : 19,967,633.61 = 4,672,143.80 : x
  2. Step 2: Convert to fraction form
    13,310,284.81/19,967,633.61 = 4,672,143.80/x
  3. Step 3: Cross multiply
    13,310,284.81x = 19,967,633.61 × 4,672,143.80
  4. Step 4: Simplify right side
    13,310,284.81x = 93,291,655,563,800.56
  5. Step 5: Solve for x
    x = 93,291,655,563,800.56/13,310,284.81
  6. Step 6: Final answer
    x = 7,008,990.18

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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.