Home / 7,500,172.69-11,250,176.99-1,820,397.00

Finding the Fourth Proportional to 7,500,172.69, 11,250,176.99 and 1,820,397.00

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Solution

The fourth proportional to 7,500,172.69, 11,250,176.99 and 1,820,397.00 is: 2,730,575.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,500,172.69 : 11,250,176.99 = 1,820,397.00 : x
  2. Step 2: Convert to fraction form
    7,500,172.69/11,250,176.99 = 1,820,397.00/x
  3. Step 3: Cross multiply
    7,500,172.69x = 11,250,176.99 × 1,820,397.00
  4. Step 4: Simplify right side
    7,500,172.69x = 20,479,788,485,390.94
  5. Step 5: Solve for x
    x = 20,479,788,485,390.94/7,500,172.69
  6. Step 6: Final answer
    x = 2,730,575.59

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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.