Home / 18,220,629.65-25,010,626.01-16,109,397.20

Finding the Fourth Proportional to 18,220,629.65, 25,010,626.01 and 16,109,397.20

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Solution

The fourth proportional to 18,220,629.65, 25,010,626.01 and 16,109,397.20 is: 22,112,633.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,220,629.65 : 25,010,626.01 = 16,109,397.20 : x
  2. Step 2: Convert to fraction form
    18,220,629.65/25,010,626.01 = 16,109,397.20/x
  3. Step 3: Cross multiply
    18,220,629.65x = 25,010,626.01 × 16,109,397.20
  4. Step 4: Simplify right side
    18,220,629.65x = 402,906,108,547,651.38
  5. Step 5: Solve for x
    x = 402,906,108,547,651.38/18,220,629.65
  6. Step 6: Final answer
    x = 22,112,633.67

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.