Home / 14,001,875.20-21,002,812.80-8,238,692.80

Finding the Fourth Proportional to 14,001,875.20, 21,002,812.80 and 8,238,692.80

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Solution

The fourth proportional to 14,001,875.20, 21,002,812.80 and 8,238,692.80 is: 12,358,039.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001,875.20 : 21,002,812.80 = 8,238,692.80 : x
  2. Step 2: Convert to fraction form
    14,001,875.20/21,002,812.80 = 8,238,692.80/x
  3. Step 3: Cross multiply
    14,001,875.20x = 21,002,812.80 × 8,238,692.80
  4. Step 4: Simplify right side
    14,001,875.20x = 173,035,722,595,107.84
  5. Step 5: Solve for x
    x = 173,035,722,595,107.84/14,001,875.20
  6. Step 6: Final answer
    x = 12,358,039.20

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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.