Home / 14,520,199.80-21,780,299.70-14,268,257.40

Finding the Fourth Proportional to 14,520,199.80, 21,780,299.70 and 14,268,257.40

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Solution

The fourth proportional to 14,520,199.80, 21,780,299.70 and 14,268,257.40 is: 21,402,386.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,520,199.80 : 21,780,299.70 = 14,268,257.40 : x
  2. Step 2: Convert to fraction form
    14,520,199.80/21,780,299.70 = 14,268,257.40/x
  3. Step 3: Cross multiply
    14,520,199.80x = 21,780,299.70 × 14,268,257.40
  4. Step 4: Simplify right side
    14,520,199.80x = 310,766,922,368,742.75
  5. Step 5: Solve for x
    x = 310,766,922,368,742.75/14,520,199.80
  6. Step 6: Final answer
    x = 21,402,386.10

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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.