Home / 18,537,715.48-25,583,562.30-10,280,363.80

Finding the Fourth Proportional to 18,537,715.48, 25,583,562.30 and 10,280,363.80

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Solution

The fourth proportional to 18,537,715.48, 25,583,562.30 and 10,280,363.80 is: 14,187,742.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,537,715.48 : 25,583,562.30 = 10,280,363.80 : x
  2. Step 2: Convert to fraction form
    18,537,715.48/25,583,562.30 = 10,280,363.80/x
  3. Step 3: Cross multiply
    18,537,715.48x = 25,583,562.30 × 10,280,363.80
  4. Step 4: Simplify right side
    18,537,715.48x = 263,008,327,743,964.78
  5. Step 5: Solve for x
    x = 263,008,327,743,964.78/18,537,715.48
  6. Step 6: Final answer
    x = 14,187,742.18

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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.