Home / 14,009,089.20-21,013,633.80-12,119,521.20

Finding the Fourth Proportional to 14,009,089.20, 21,013,633.80 and 12,119,521.20

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Solution

The fourth proportional to 14,009,089.20, 21,013,633.80 and 12,119,521.20 is: 18,179,281.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,009,089.20 : 21,013,633.80 = 12,119,521.20 : x
  2. Step 2: Convert to fraction form
    14,009,089.20/21,013,633.80 = 12,119,521.20/x
  3. Step 3: Cross multiply
    14,009,089.20x = 21,013,633.80 × 12,119,521.20
  4. Step 4: Simplify right side
    14,009,089.20x = 254,675,180,328,136.56
  5. Step 5: Solve for x
    x = 254,675,180,328,136.56/14,009,089.20
  6. Step 6: Final answer
    x = 18,179,281.80

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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.