Home / 13,124,516.20-19,686,774.30-7,361,333.80

Finding the Fourth Proportional to 13,124,516.20, 19,686,774.30 and 7,361,333.80

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Solution

The fourth proportional to 13,124,516.20, 19,686,774.30 and 7,361,333.80 is: 11,042,000.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,124,516.20 : 19,686,774.30 = 7,361,333.80 : x
  2. Step 2: Convert to fraction form
    13,124,516.20/19,686,774.30 = 7,361,333.80/x
  3. Step 3: Cross multiply
    13,124,516.20x = 19,686,774.30 × 7,361,333.80
  4. Step 4: Simplify right side
    13,124,516.20x = 144,920,917,067,561.34
  5. Step 5: Solve for x
    x = 144,920,917,067,561.34/13,124,516.20
  6. Step 6: Final answer
    x = 11,042,000.70

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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.