Home / 14,919,564.34-22,379,271.58-12,891,637.81

Finding the Fourth Proportional to 14,919,564.34, 22,379,271.58 and 12,891,637.81

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Solution

The fourth proportional to 14,919,564.34, 22,379,271.58 and 12,891,637.81 is: 19,337,391.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,919,564.34 : 22,379,271.58 = 12,891,637.81 : x
  2. Step 2: Convert to fraction form
    14,919,564.34/22,379,271.58 = 12,891,637.81/x
  3. Step 3: Cross multiply
    14,919,564.34x = 22,379,271.58 × 12,891,637.81
  4. Step 4: Simplify right side
    14,919,564.34x = 288,505,463,660,986.44
  5. Step 5: Solve for x
    x = 288,505,463,660,986.44/14,919,564.34
  6. Step 6: Final answer
    x = 19,337,391.97

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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.