Home / 28,788,147.65-43,189,784.37-10,345,954.65

Finding the Fourth Proportional to 28,788,147.65, 43,189,784.37 and 10,345,954.65

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Solution

The fourth proportional to 28,788,147.65, 43,189,784.37 and 10,345,954.65 is: 15,521,649.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,788,147.65 : 43,189,784.37 = 10,345,954.65 : x
  2. Step 2: Convert to fraction form
    28,788,147.65/43,189,784.37 = 10,345,954.65/x
  3. Step 3: Cross multiply
    28,788,147.65x = 43,189,784.37 × 10,345,954.65
  4. Step 4: Simplify right side
    28,788,147.65x = 446,839,550,435,298.81
  5. Step 5: Solve for x
    x = 446,839,550,435,298.81/28,788,147.65
  6. Step 6: Final answer
    x = 15,521,649.95

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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.