Home / 19,319,950.05-28,979,720.82-4,942,903.65

Finding the Fourth Proportional to 19,319,950.05, 28,979,720.82 and 4,942,903.65

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Solution

The fourth proportional to 19,319,950.05, 28,979,720.82 and 4,942,903.65 is: 7,414,303.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,319,950.05 : 28,979,720.82 = 4,942,903.65 : x
  2. Step 2: Convert to fraction form
    19,319,950.05/28,979,720.82 = 4,942,903.65/x
  3. Step 3: Cross multiply
    19,319,950.05x = 28,979,720.82 × 4,942,903.65
  4. Step 4: Simplify right side
    19,319,950.05x = 143,243,967,817,159
  5. Step 5: Solve for x
    x = 143,243,967,817,159/19,319,950.05
  6. Step 6: Final answer
    x = 7,414,303.22

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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.