Home / 19,149,551.10-28,739,633.21-9,930,143.25

Finding the Fourth Proportional to 19,149,551.10, 28,739,633.21 and 9,930,143.25

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Solution

The fourth proportional to 19,149,551.10, 28,739,633.21 and 9,930,143.25 is: 14,903,152.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,149,551.10 : 28,739,633.21 = 9,930,143.25 : x
  2. Step 2: Convert to fraction form
    19,149,551.10/28,739,633.21 = 9,930,143.25/x
  3. Step 3: Cross multiply
    19,149,551.10x = 28,739,633.21 × 9,930,143.25
  4. Step 4: Simplify right side
    19,149,551.10x = 285,388,674,678,106.62
  5. Step 5: Solve for x
    x = 285,388,674,678,106.62/19,149,551.10
  6. Step 6: Final answer
    x = 14,903,152.20

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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.