Home / 14,102,619.80-21,160,928.10-8,042,005.40

Finding the Fourth Proportional to 14,102,619.80, 21,160,928.10 and 8,042,005.40

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Solution

The fourth proportional to 14,102,619.80, 21,160,928.10 and 8,042,005.40 is: 12,066,998.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,102,619.80 : 21,160,928.10 = 8,042,005.40 : x
  2. Step 2: Convert to fraction form
    14,102,619.80/21,160,928.10 = 8,042,005.40/x
  3. Step 3: Cross multiply
    14,102,619.80x = 21,160,928.10 × 8,042,005.40
  4. Step 4: Simplify right side
    14,102,619.80x = 170,176,298,049,211.75
  5. Step 5: Solve for x
    x = 170,176,298,049,211.75/14,102,619.80
  6. Step 6: Final answer
    x = 12,066,998.93

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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.