Home / 7,480,001.07-11,220,004.04-1,800,225.38

Finding the Fourth Proportional to 7,480,001.07, 11,220,004.04 and 1,800,225.38

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Solution

The fourth proportional to 7,480,001.07, 11,220,004.04 and 1,800,225.38 is: 2,700,338.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480,001.07 : 11,220,004.04 = 1,800,225.38 : x
  2. Step 2: Convert to fraction form
    7,480,001.07/11,220,004.04 = 1,800,225.38/x
  3. Step 3: Cross multiply
    7,480,001.07x = 11,220,004.04 × 1,800,225.38
  4. Step 4: Simplify right side
    7,480,001.07x = 20,198,536,055,559.42
  5. Step 5: Solve for x
    x = 20,198,536,055,559.42/7,480,001.07
  6. Step 6: Final answer
    x = 2,700,338.66

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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.