Home / 28,493,048.40-42,771,065.40-17,722,510.80

Finding the Fourth Proportional to 28,493,048.40, 42,771,065.40 and 17,722,510.80

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Solution

The fourth proportional to 28,493,048.40, 42,771,065.40 and 17,722,510.80 is: 26,603,354.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,493,048.40 : 42,771,065.40 = 17,722,510.80 : x
  2. Step 2: Convert to fraction form
    28,493,048.40/42,771,065.40 = 17,722,510.80/x
  3. Step 3: Cross multiply
    28,493,048.40x = 42,771,065.40 × 17,722,510.80
  4. Step 4: Simplify right side
    28,493,048.40x = 758,010,668,479,006.38
  5. Step 5: Solve for x
    x = 758,010,668,479,006.38/28,493,048.40
  6. Step 6: Final answer
    x = 26,603,354.54

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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.