Home / 14,387,410.80-21,581,116.20-13,211,679.60

Finding the Fourth Proportional to 14,387,410.80, 21,581,116.20 and 13,211,679.60

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Solution

The fourth proportional to 14,387,410.80, 21,581,116.20 and 13,211,679.60 is: 19,817,519.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,387,410.80 : 21,581,116.20 = 13,211,679.60 : x
  2. Step 2: Convert to fraction form
    14,387,410.80/21,581,116.20 = 13,211,679.60/x
  3. Step 3: Cross multiply
    14,387,410.80x = 21,581,116.20 × 13,211,679.60
  4. Step 4: Simplify right side
    14,387,410.80x = 285,122,792,644,769.50
  5. Step 5: Solve for x
    x = 285,122,792,644,769.50/14,387,410.80
  6. Step 6: Final answer
    x = 19,817,519.40

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1.5x scale

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.