Home / 14,189,619.80-21,284,429.70-8,516,250.20

Finding the Fourth Proportional to 14,189,619.80, 21,284,429.70 and 8,516,250.20

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Solution

The fourth proportional to 14,189,619.80, 21,284,429.70 and 8,516,250.20 is: 12,774,375.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,189,619.80 : 21,284,429.70 = 8,516,250.20 : x
  2. Step 2: Convert to fraction form
    14,189,619.80/21,284,429.70 = 8,516,250.20/x
  3. Step 3: Cross multiply
    14,189,619.80x = 21,284,429.70 × 8,516,250.20
  4. Step 4: Simplify right side
    14,189,619.80x = 181,263,528,689,510.91
  5. Step 5: Solve for x
    x = 181,263,528,689,510.91/14,189,619.80
  6. Step 6: Final answer
    x = 12,774,375.30

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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.